Home / 45,005.50-67,517.47-15,425.64

Finding the Fourth Proportional to 45,005.50, 67,517.47 and 15,425.64

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Solution

The fourth proportional to 45,005.50, 67,517.47 and 15,425.64 is: 23,141.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,005.50 : 67,517.47 = 15,425.64 : x
  2. Step 2: Convert to fraction form
    45,005.50/67,517.47 = 15,425.64/x
  3. Step 3: Cross multiply
    45,005.50x = 67,517.47 × 15,425.64
  4. Step 4: Simplify right side
    45,005.50x = 1,041,500,248.60
  5. Step 5: Solve for x
    x = 1,041,500,248.60/45,005.50
  6. Step 6: Final answer
    x = 23,141.62

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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.