Home / 22,140.18-30,550.05-12,707.10

Finding the Fourth Proportional to 22,140.18, 30,550.05 and 12,707.10

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Solution

The fourth proportional to 22,140.18, 30,550.05 and 12,707.10 is: 17,533.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.18 : 30,550.05 = 12,707.10 : x
  2. Step 2: Convert to fraction form
    22,140.18/30,550.05 = 12,707.10/x
  3. Step 3: Cross multiply
    22,140.18x = 30,550.05 × 12,707.10
  4. Step 4: Simplify right side
    22,140.18x = 388,202,540.36
  5. Step 5: Solve for x
    x = 388,202,540.36/22,140.18
  6. Step 6: Final answer
    x = 17,533.85

Related Problems

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Half scale
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Double scale
Find fourth proportional to 22,141.18, 30,551.43 and 12,708.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.