Home / 22,684.79-31,305.15-13,732.36

Finding the Fourth Proportional to 22,684.79, 31,305.15 and 13,732.36

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Solution

The fourth proportional to 22,684.79, 31,305.15 and 13,732.36 is: 18,950.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,684.79 : 31,305.15 = 13,732.36 : x
  2. Step 2: Convert to fraction form
    22,684.79/31,305.15 = 13,732.36/x
  3. Step 3: Cross multiply
    22,684.79x = 31,305.15 × 13,732.36
  4. Step 4: Simplify right side
    22,684.79x = 429,893,511.39
  5. Step 5: Solve for x
    x = 429,893,511.39/22,684.79
  6. Step 6: Final answer
    x = 18,950.74

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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.