Home / 15,503.28-23,249.10-5,640.12

Finding the Fourth Proportional to 15,503.28, 23,249.10 and 5,640.12

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Solution

The fourth proportional to 15,503.28, 23,249.10 and 5,640.12 is: 8,458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503.28 : 23,249.10 = 5,640.12 : x
  2. Step 2: Convert to fraction form
    15,503.28/23,249.10 = 5,640.12/x
  3. Step 3: Cross multiply
    15,503.28x = 23,249.10 × 5,640.12
  4. Step 4: Simplify right side
    15,503.28x = 131,127,713.89
  5. Step 5: Solve for x
    x = 131,127,713.89/15,503.28
  6. Step 6: Final answer
    x = 8,458.06

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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.