Home / 22,173.79-30,592.11-14,220.40

Finding the Fourth Proportional to 22,173.79, 30,592.11 and 14,220.40

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Solution

The fourth proportional to 22,173.79, 30,592.11 and 14,220.40 is: 19,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,173.79 : 30,592.11 = 14,220.40 : x
  2. Step 2: Convert to fraction form
    22,173.79/30,592.11 = 14,220.40/x
  3. Step 3: Cross multiply
    22,173.79x = 30,592.11 × 14,220.40
  4. Step 4: Simplify right side
    22,173.79x = 435,032,041.04
  5. Step 5: Solve for x
    x = 435,032,041.04/22,173.79
  6. Step 6: Final answer
    x = 19,619.20

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Half scale
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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.