Home / 13,948.08-19,249.20-9,224.16

Finding the Fourth Proportional to 13,948.08, 19,249.20 and 9,224.16

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Solution

The fourth proportional to 13,948.08, 19,249.20 and 9,224.16 is: 12,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.08 : 19,249.20 = 9,224.16 : x
  2. Step 2: Convert to fraction form
    13,948.08/19,249.20 = 9,224.16/x
  3. Step 3: Cross multiply
    13,948.08x = 19,249.20 × 9,224.16
  4. Step 4: Simplify right side
    13,948.08x = 177,557,700.67
  5. Step 5: Solve for x
    x = 177,557,700.67/13,948.08
  6. Step 6: Final answer
    x = 12,729.90

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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.