Home / 22,981.19-31,726.13-15,467.02

Finding the Fourth Proportional to 22,981.19, 31,726.13 and 15,467.02

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Solution

The fourth proportional to 22,981.19, 31,726.13 and 15,467.02 is: 21,352.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,981.19 : 31,726.13 = 15,467.02 : x
  2. Step 2: Convert to fraction form
    22,981.19/31,726.13 = 15,467.02/x
  3. Step 3: Cross multiply
    22,981.19x = 31,726.13 × 15,467.02
  4. Step 4: Simplify right side
    22,981.19x = 490,708,530.58
  5. Step 5: Solve for x
    x = 490,708,530.58/22,981.19
  6. Step 6: Final answer
    x = 21,352.62

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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.