Home / 13,437.24-18,542.85-7,469.01

Finding the Fourth Proportional to 13,437.24, 18,542.85 and 7,469.01

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Solution

The fourth proportional to 13,437.24, 18,542.85 and 7,469.01 is: 10,306.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.24 : 18,542.85 = 7,469.01 : x
  2. Step 2: Convert to fraction form
    13,437.24/18,542.85 = 7,469.01/x
  3. Step 3: Cross multiply
    13,437.24x = 18,542.85 × 7,469.01
  4. Step 4: Simplify right side
    13,437.24x = 138,496,732.08
  5. Step 5: Solve for x
    x = 138,496,732.08/13,437.24
  6. Step 6: Final answer
    x = 10,306.93

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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.