Home / 15,481.46-23,238.60-9,642.20

Finding the Fourth Proportional to 15,481.46, 23,238.60 and 9,642.20

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Solution

The fourth proportional to 15,481.46, 23,238.60 and 9,642.20 is: 14,473.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,481.46 : 23,238.60 = 9,642.20 : x
  2. Step 2: Convert to fraction form
    15,481.46/23,238.60 = 9,642.20/x
  3. Step 3: Cross multiply
    15,481.46x = 23,238.60 × 9,642.20
  4. Step 4: Simplify right side
    15,481.46x = 224,071,228.92
  5. Step 5: Solve for x
    x = 224,071,228.92/15,481.46
  6. Step 6: Final answer
    x = 14,473.52

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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.