Home / 19,083.20-26,337.90-11,123.90

Finding the Fourth Proportional to 19,083.20, 26,337.90 and 11,123.90

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Solution

The fourth proportional to 19,083.20, 26,337.90 and 11,123.90 is: 15,352.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,083.20 : 26,337.90 = 11,123.90 : x
  2. Step 2: Convert to fraction form
    19,083.20/26,337.90 = 11,123.90/x
  3. Step 3: Cross multiply
    19,083.20x = 26,337.90 × 11,123.90
  4. Step 4: Simplify right side
    19,083.20x = 292,980,034.12
  5. Step 5: Solve for x
    x = 292,980,034.12/19,083.20
  6. Step 6: Final answer
    x = 15,352.78

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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.