Home / 15,902.63-21,935.91-11,432.44

Finding the Fourth Proportional to 15,902.63, 21,935.91 and 11,432.44

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Solution

The fourth proportional to 15,902.63, 21,935.91 and 11,432.44 is: 15,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902.63 : 21,935.91 = 11,432.44 : x
  2. Step 2: Convert to fraction form
    15,902.63/21,935.91 = 11,432.44/x
  3. Step 3: Cross multiply
    15,902.63x = 21,935.91 × 11,432.44
  4. Step 4: Simplify right side
    15,902.63x = 250,781,045.21
  5. Step 5: Solve for x
    x = 250,781,045.21/15,902.63
  6. Step 6: Final answer
    x = 15,769.79

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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.