Home / 15,040.79-22,581.89-7,650.25

Finding the Fourth Proportional to 15,040.79, 22,581.89 and 7,650.25

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Solution

The fourth proportional to 15,040.79, 22,581.89 and 7,650.25 is: 11,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,040.79 : 22,581.89 = 7,650.25 : x
  2. Step 2: Convert to fraction form
    15,040.79/22,581.89 = 7,650.25/x
  3. Step 3: Cross multiply
    15,040.79x = 22,581.89 × 7,650.25
  4. Step 4: Simplify right side
    15,040.79x = 172,757,037.95
  5. Step 5: Solve for x
    x = 172,757,037.95/15,040.79
  6. Step 6: Final answer
    x = 11,485.90

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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.