Home / 22,641.74-31,244.99-13,572.23

Finding the Fourth Proportional to 22,641.74, 31,244.99 and 13,572.23

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Solution

The fourth proportional to 22,641.74, 31,244.99 and 13,572.23 is: 18,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,641.74 : 31,244.99 = 13,572.23 : x
  2. Step 2: Convert to fraction form
    22,641.74/31,244.99 = 13,572.23/x
  3. Step 3: Cross multiply
    22,641.74x = 31,244.99 × 13,572.23
  4. Step 4: Simplify right side
    22,641.74x = 424,064,085.30
  5. Step 5: Solve for x
    x = 424,064,085.30/22,641.74
  6. Step 6: Final answer
    x = 18,729.31

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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.