Home / 21,052.38-29,052.23-11,620.88

Finding the Fourth Proportional to 21,052.38, 29,052.23 and 11,620.88

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Solution

The fourth proportional to 21,052.38, 29,052.23 and 11,620.88 is: 16,036.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.38 : 29,052.23 = 11,620.88 : x
  2. Step 2: Convert to fraction form
    21,052.38/29,052.23 = 11,620.88/x
  3. Step 3: Cross multiply
    21,052.38x = 29,052.23 × 11,620.88
  4. Step 4: Simplify right side
    21,052.38x = 337,612,275.20
  5. Step 5: Solve for x
    x = 337,612,275.20/21,052.38
  6. Step 6: Final answer
    x = 16,036.77

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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.