Home / 45,041.67-67,569.85-13,876.92

Finding the Fourth Proportional to 45,041.67, 67,569.85 and 13,876.92

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Solution

The fourth proportional to 45,041.67, 67,569.85 and 13,876.92 is: 20,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,041.67 : 67,569.85 = 13,876.92 : x
  2. Step 2: Convert to fraction form
    45,041.67/67,569.85 = 13,876.92/x
  3. Step 3: Cross multiply
    45,041.67x = 67,569.85 × 13,876.92
  4. Step 4: Simplify right side
    45,041.67x = 937,661,342.15
  5. Step 5: Solve for x
    x = 937,661,342.15/45,041.67
  6. Step 6: Final answer
    x = 20,817.64

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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.