Home / 55,454.13-83,181.20-13,901.13

Finding the Fourth Proportional to 55,454.13, 83,181.20 and 13,901.13

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Solution

The fourth proportional to 55,454.13, 83,181.20 and 13,901.13 is: 20,851.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,454.13 : 83,181.20 = 13,901.13 : x
  2. Step 2: Convert to fraction form
    55,454.13/83,181.20 = 13,901.13/x
  3. Step 3: Cross multiply
    55,454.13x = 83,181.20 × 13,901.13
  4. Step 4: Simplify right side
    55,454.13x = 1,156,312,605.25
  5. Step 5: Solve for x
    x = 1,156,312,605.25/55,454.13
  6. Step 6: Final answer
    x = 20,851.70

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Double scale
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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.