Home / 45,002.67-67,511.30-13,837.92

Finding the Fourth Proportional to 45,002.67, 67,511.30 and 13,837.92

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Solution

The fourth proportional to 45,002.67, 67,511.30 and 13,837.92 is: 20,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,002.67 : 67,511.30 = 13,837.92 : x
  2. Step 2: Convert to fraction form
    45,002.67/67,511.30 = 13,837.92/x
  3. Step 3: Cross multiply
    45,002.67x = 67,511.30 × 13,837.92
  4. Step 4: Simplify right side
    45,002.67x = 934,215,899.31
  5. Step 5: Solve for x
    x = 934,215,899.31/45,002.67
  6. Step 6: Final answer
    x = 20,759.12

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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.