Home / 22,839.52-31,502.64-14,886.40

Finding the Fourth Proportional to 22,839.52, 31,502.64 and 14,886.40

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Solution

The fourth proportional to 22,839.52, 31,502.64 and 14,886.40 is: 20,532.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,839.52 : 31,502.64 = 14,886.40 : x
  2. Step 2: Convert to fraction form
    22,839.52/31,502.64 = 14,886.40/x
  3. Step 3: Cross multiply
    22,839.52x = 31,502.64 × 14,886.40
  4. Step 4: Simplify right side
    22,839.52x = 468,960,900.10
  5. Step 5: Solve for x
    x = 468,960,900.10/22,839.52
  6. Step 6: Final answer
    x = 20,532.87

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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.