Home / 13,372.48-18,454.22-7,404.13

Finding the Fourth Proportional to 13,372.48, 18,454.22 and 7,404.13

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Solution

The fourth proportional to 13,372.48, 18,454.22 and 7,404.13 is: 10,217.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.48 : 18,454.22 = 7,404.13 : x
  2. Step 2: Convert to fraction form
    13,372.48/18,454.22 = 7,404.13/x
  3. Step 3: Cross multiply
    13,372.48x = 18,454.22 × 7,404.13
  4. Step 4: Simplify right side
    13,372.48x = 136,637,499.23
  5. Step 5: Solve for x
    x = 136,637,499.23/13,372.48
  6. Step 6: Final answer
    x = 10,217.81

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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.