Home / 22,580.19-31,155.30-13,624.29

Finding the Fourth Proportional to 22,580.19, 31,155.30 and 13,624.29

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Solution

The fourth proportional to 22,580.19, 31,155.30 and 13,624.29 is: 18,798.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,580.19 : 31,155.30 = 13,624.29 : x
  2. Step 2: Convert to fraction form
    22,580.19/31,155.30 = 13,624.29/x
  3. Step 3: Cross multiply
    22,580.19x = 31,155.30 × 13,624.29
  4. Step 4: Simplify right side
    22,580.19x = 424,468,842.24
  5. Step 5: Solve for x
    x = 424,468,842.24/22,580.19
  6. Step 6: Final answer
    x = 18,798.28

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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.