Home / 23,132.16-31,921.14-13,570.74

Finding the Fourth Proportional to 23,132.16, 31,921.14 and 13,570.74

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Solution

The fourth proportional to 23,132.16, 31,921.14 and 13,570.74 is: 18,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,132.16 : 31,921.14 = 13,570.74 : x
  2. Step 2: Convert to fraction form
    23,132.16/31,921.14 = 13,570.74/x
  3. Step 3: Cross multiply
    23,132.16x = 31,921.14 × 13,570.74
  4. Step 4: Simplify right side
    23,132.16x = 433,193,491.44
  5. Step 5: Solve for x
    x = 433,193,491.44/23,132.16
  6. Step 6: Final answer
    x = 18,726.89

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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.