Home / 13,487.65-20,233.94-4,127.56

Finding the Fourth Proportional to 13,487.65, 20,233.94 and 4,127.56

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Solution

The fourth proportional to 13,487.65, 20,233.94 and 4,127.56 is: 6,192.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.65 : 20,233.94 = 4,127.56 : x
  2. Step 2: Convert to fraction form
    13,487.65/20,233.94 = 4,127.56/x
  3. Step 3: Cross multiply
    13,487.65x = 20,233.94 × 4,127.56
  4. Step 4: Simplify right side
    13,487.65x = 83,516,730.16
  5. Step 5: Solve for x
    x = 83,516,730.16/13,487.65
  6. Step 6: Final answer
    x = 6,192.09

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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.