Home / 45,250.27-67,885.16-13,657.69

Finding the Fourth Proportional to 45,250.27, 67,885.16 and 13,657.69

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Solution

The fourth proportional to 45,250.27, 67,885.16 and 13,657.69 is: 20,489.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,250.27 : 67,885.16 = 13,657.69 : x
  2. Step 2: Convert to fraction form
    45,250.27/67,885.16 = 13,657.69/x
  3. Step 3: Cross multiply
    45,250.27x = 67,885.16 × 13,657.69
  4. Step 4: Simplify right side
    45,250.27x = 927,154,402.59
  5. Step 5: Solve for x
    x = 927,154,402.59/45,250.27
  6. Step 6: Final answer
    x = 20,489.48

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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.