Home / 17,442.20-24,029.53-12,127.79

Finding the Fourth Proportional to 17,442.20, 24,029.53 and 12,127.79

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Solution

The fourth proportional to 17,442.20, 24,029.53 and 12,127.79 is: 16,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,442.20 : 24,029.53 = 12,127.79 : x
  2. Step 2: Convert to fraction form
    17,442.20/24,029.53 = 12,127.79/x
  3. Step 3: Cross multiply
    17,442.20x = 24,029.53 × 12,127.79
  4. Step 4: Simplify right side
    17,442.20x = 291,425,123.39
  5. Step 5: Solve for x
    x = 291,425,123.39/17,442.20
  6. Step 6: Final answer
    x = 16,708.05

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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.