Home / 15,499.80-23,246.40-5,105.88

Finding the Fourth Proportional to 15,499.80, 23,246.40 and 5,105.88

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Solution

The fourth proportional to 15,499.80, 23,246.40 and 5,105.88 is: 7,657.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499.80 : 23,246.40 = 5,105.88 : x
  2. Step 2: Convert to fraction form
    15,499.80/23,246.40 = 5,105.88/x
  3. Step 3: Cross multiply
    15,499.80x = 23,246.40 × 5,105.88
  4. Step 4: Simplify right side
    15,499.80x = 118,693,328.83
  5. Step 5: Solve for x
    x = 118,693,328.83/15,499.80
  6. Step 6: Final answer
    x = 7,657.73

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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.