Home / 15,150.80-22,726.20-9,610.40

Finding the Fourth Proportional to 15,150.80, 22,726.20 and 9,610.40

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Solution

The fourth proportional to 15,150.80, 22,726.20 and 9,610.40 is: 14,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150.80 : 22,726.20 = 9,610.40 : x
  2. Step 2: Convert to fraction form
    15,150.80/22,726.20 = 9,610.40/x
  3. Step 3: Cross multiply
    15,150.80x = 22,726.20 × 9,610.40
  4. Step 4: Simplify right side
    15,150.80x = 218,407,872.48
  5. Step 5: Solve for x
    x = 218,407,872.48/15,150.80
  6. Step 6: Final answer
    x = 14,415.60

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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.