Home / 22,731.40-31,380.65-17,615.44

Finding the Fourth Proportional to 22,731.40, 31,380.65 and 17,615.44

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Solution

The fourth proportional to 22,731.40, 31,380.65 and 17,615.44 is: 24,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,731.40 : 31,380.65 = 17,615.44 : x
  2. Step 2: Convert to fraction form
    22,731.40/31,380.65 = 17,615.44/x
  3. Step 3: Cross multiply
    22,731.40x = 31,380.65 × 17,615.44
  4. Step 4: Simplify right side
    22,731.40x = 552,783,957.24
  5. Step 5: Solve for x
    x = 552,783,957.24/22,731.40
  6. Step 6: Final answer
    x = 24,318.08

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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.