Home / 23,084.12-34,688.70-12,561.92

Finding the Fourth Proportional to 23,084.12, 34,688.70 and 12,561.92

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Solution

The fourth proportional to 23,084.12, 34,688.70 and 12,561.92 is: 18,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,084.12 : 34,688.70 = 12,561.92 : x
  2. Step 2: Convert to fraction form
    23,084.12/34,688.70 = 12,561.92/x
  3. Step 3: Cross multiply
    23,084.12x = 34,688.70 × 12,561.92
  4. Step 4: Simplify right side
    23,084.12x = 435,756,674.30
  5. Step 5: Solve for x
    x = 435,756,674.30/23,084.12
  6. Step 6: Final answer
    x = 18,876.90

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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.