Home / 15,812.92-23,721.20-4,127.05

Finding the Fourth Proportional to 15,812.92, 23,721.20 and 4,127.05

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Solution

The fourth proportional to 15,812.92, 23,721.20 and 4,127.05 is: 6,191.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,812.92 : 23,721.20 = 4,127.05 : x
  2. Step 2: Convert to fraction form
    15,812.92/23,721.20 = 4,127.05/x
  3. Step 3: Cross multiply
    15,812.92x = 23,721.20 × 4,127.05
  4. Step 4: Simplify right side
    15,812.92x = 97,898,439.22
  5. Step 5: Solve for x
    x = 97,898,439.22/15,812.92
  6. Step 6: Final answer
    x = 6,191.04

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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.