Home / 12,614.35-18,932.33-5,605.15

Finding the Fourth Proportional to 12,614.35, 18,932.33 and 5,605.15

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Solution

The fourth proportional to 12,614.35, 18,932.33 and 5,605.15 is: 8,412.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.35 : 18,932.33 = 5,605.15 : x
  2. Step 2: Convert to fraction form
    12,614.35/18,932.33 = 5,605.15/x
  3. Step 3: Cross multiply
    12,614.35x = 18,932.33 × 5,605.15
  4. Step 4: Simplify right side
    12,614.35x = 106,118,521.47
  5. Step 5: Solve for x
    x = 106,118,521.47/12,614.35
  6. Step 6: Final answer
    x = 8,412.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.