Home / 18,319.32-25,277.42-11,248.02

Finding the Fourth Proportional to 18,319.32, 25,277.42 and 11,248.02

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Solution

The fourth proportional to 18,319.32, 25,277.42 and 11,248.02 is: 15,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.32 : 25,277.42 = 11,248.02 : x
  2. Step 2: Convert to fraction form
    18,319.32/25,277.42 = 11,248.02/x
  3. Step 3: Cross multiply
    18,319.32x = 25,277.42 × 11,248.02
  4. Step 4: Simplify right side
    18,319.32x = 284,320,869.47
  5. Step 5: Solve for x
    x = 284,320,869.47/18,319.32
  6. Step 6: Final answer
    x = 15,520.27

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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.