Home / 55,246.10-82,869.15-18,310.10

Finding the Fourth Proportional to 55,246.10, 82,869.15 and 18,310.10

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Solution

The fourth proportional to 55,246.10, 82,869.15 and 18,310.10 is: 27,465.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,246.10 : 82,869.15 = 18,310.10 : x
  2. Step 2: Convert to fraction form
    55,246.10/82,869.15 = 18,310.10/x
  3. Step 3: Cross multiply
    55,246.10x = 82,869.15 × 18,310.10
  4. Step 4: Simplify right side
    55,246.10x = 1,517,342,423.42
  5. Step 5: Solve for x
    x = 1,517,342,423.42/55,246.10
  6. Step 6: Final answer
    x = 27,465.15

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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.