Home / 22,165.16-30,645.54-21,185.96

Finding the Fourth Proportional to 22,165.16, 30,645.54 and 21,185.96

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Solution

The fourth proportional to 22,165.16, 30,645.54 and 21,185.96 is: 29,291.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,165.16 : 30,645.54 = 21,185.96 : x
  2. Step 2: Convert to fraction form
    22,165.16/30,645.54 = 21,185.96/x
  3. Step 3: Cross multiply
    22,165.16x = 30,645.54 × 21,185.96
  4. Step 4: Simplify right side
    22,165.16x = 649,255,184.62
  5. Step 5: Solve for x
    x = 649,255,184.62/22,165.16
  6. Step 6: Final answer
    x = 29,291.70

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Double scale
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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.