Home / 22,689.71-31,318.62-14,733.08

Finding the Fourth Proportional to 22,689.71, 31,318.62 and 14,733.08

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Solution

The fourth proportional to 22,689.71, 31,318.62 and 14,733.08 is: 20,336.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,689.71 : 31,318.62 = 14,733.08 : x
  2. Step 2: Convert to fraction form
    22,689.71/31,318.62 = 14,733.08/x
  3. Step 3: Cross multiply
    22,689.71x = 31,318.62 × 14,733.08
  4. Step 4: Simplify right side
    22,689.71x = 461,419,733.95
  5. Step 5: Solve for x
    x = 461,419,733.95/22,689.71
  6. Step 6: Final answer
    x = 20,336.08

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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.