Home / 15,003.66-22,488.57-9,147.42

Finding the Fourth Proportional to 15,003.66, 22,488.57 and 9,147.42

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Solution

The fourth proportional to 15,003.66, 22,488.57 and 9,147.42 is: 13,710.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,003.66 : 22,488.57 = 9,147.42 : x
  2. Step 2: Convert to fraction form
    15,003.66/22,488.57 = 9,147.42/x
  3. Step 3: Cross multiply
    15,003.66x = 22,488.57 × 9,147.42
  4. Step 4: Simplify right side
    15,003.66x = 205,712,394.99
  5. Step 5: Solve for x
    x = 205,712,394.99/15,003.66
  6. Step 6: Final answer
    x = 13,710.81

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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.