Home / 22,981.76-31,729.92-14,496.64

Finding the Fourth Proportional to 22,981.76, 31,729.92 and 14,496.64

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Solution

The fourth proportional to 22,981.76, 31,729.92 and 14,496.64 is: 20,014.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,981.76 : 31,729.92 = 14,496.64 : x
  2. Step 2: Convert to fraction form
    22,981.76/31,729.92 = 14,496.64/x
  3. Step 3: Cross multiply
    22,981.76x = 31,729.92 × 14,496.64
  4. Step 4: Simplify right side
    22,981.76x = 459,977,227.47
  5. Step 5: Solve for x
    x = 459,977,227.47/22,981.76
  6. Step 6: Final answer
    x = 20,014.88

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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.