Home / 12,531.14-18,784.41-8,088.12

Finding the Fourth Proportional to 12,531.14, 18,784.41 and 8,088.12

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Solution

The fourth proportional to 12,531.14, 18,784.41 and 8,088.12 is: 12,124.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.14 : 18,784.41 = 8,088.12 : x
  2. Step 2: Convert to fraction form
    12,531.14/18,784.41 = 8,088.12/x
  3. Step 3: Cross multiply
    12,531.14x = 18,784.41 × 8,088.12
  4. Step 4: Simplify right side
    12,531.14x = 151,930,562.21
  5. Step 5: Solve for x
    x = 151,930,562.21/12,531.14
  6. Step 6: Final answer
    x = 12,124.24

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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.