Home / 45,022.15-67,542.27-13,432.69

Finding the Fourth Proportional to 45,022.15, 67,542.27 and 13,432.69

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Solution

The fourth proportional to 45,022.15, 67,542.27 and 13,432.69 is: 20,151.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,022.15 : 67,542.27 = 13,432.69 : x
  2. Step 2: Convert to fraction form
    45,022.15/67,542.27 = 13,432.69/x
  3. Step 3: Cross multiply
    45,022.15x = 67,542.27 × 13,432.69
  4. Step 4: Simplify right side
    45,022.15x = 907,274,374.81
  5. Step 5: Solve for x
    x = 907,274,374.81/45,022.15
  6. Step 6: Final answer
    x = 20,151.73

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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.