Home / 22,981.17-31,726.11-15,467.01

Finding the Fourth Proportional to 22,981.17, 31,726.11 and 15,467.01

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Solution

The fourth proportional to 22,981.17, 31,726.11 and 15,467.01 is: 21,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,981.17 : 31,726.11 = 15,467.01 : x
  2. Step 2: Convert to fraction form
    22,981.17/31,726.11 = 15,467.01/x
  3. Step 3: Cross multiply
    22,981.17x = 31,726.11 × 15,467.01
  4. Step 4: Simplify right side
    22,981.17x = 490,707,999.66
  5. Step 5: Solve for x
    x = 490,707,999.66/22,981.17
  6. Step 6: Final answer
    x = 21,352.61

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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.