Home / 23,083.12-34,687.20-12,560.92

Finding the Fourth Proportional to 23,083.12, 34,687.20 and 12,560.92

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Solution

The fourth proportional to 23,083.12, 34,687.20 and 12,560.92 is: 18,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,083.12 : 34,687.20 = 12,560.92 : x
  2. Step 2: Convert to fraction form
    23,083.12/34,687.20 = 12,560.92/x
  3. Step 3: Cross multiply
    23,083.12x = 34,687.20 × 12,560.92
  4. Step 4: Simplify right side
    23,083.12x = 435,703,144.22
  5. Step 5: Solve for x
    x = 435,703,144.22/23,083.12
  6. Step 6: Final answer
    x = 18,875.40

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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.