Home / 45,098.76-67,629.60-13,497.66

Finding the Fourth Proportional to 45,098.76, 67,629.60 and 13,497.66

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Solution

The fourth proportional to 45,098.76, 67,629.60 and 13,497.66 is: 20,240.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,098.76 : 67,629.60 = 13,497.66 : x
  2. Step 2: Convert to fraction form
    45,098.76/67,629.60 = 13,497.66/x
  3. Step 3: Cross multiply
    45,098.76x = 67,629.60 × 13,497.66
  4. Step 4: Simplify right side
    45,098.76x = 912,841,346.74
  5. Step 5: Solve for x
    x = 912,841,346.74/45,098.76
  6. Step 6: Final answer
    x = 20,240.94

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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.