Home / 55,635.15-83,456.12-18,199.18

Finding the Fourth Proportional to 55,635.15, 83,456.12 and 18,199.18

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Solution

The fourth proportional to 55,635.15, 83,456.12 and 18,199.18 is: 27,299.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,635.15 : 83,456.12 = 18,199.18 : x
  2. Step 2: Convert to fraction form
    55,635.15/83,456.12 = 18,199.18/x
  3. Step 3: Cross multiply
    55,635.15x = 83,456.12 × 18,199.18
  4. Step 4: Simplify right side
    55,635.15x = 1,518,833,099.80
  5. Step 5: Solve for x
    x = 1,518,833,099.80/55,635.15
  6. Step 6: Final answer
    x = 27,299.88

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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.