Home / 55,160.46-82,753.65-15,718.14

Finding the Fourth Proportional to 55,160.46, 82,753.65 and 15,718.14

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Solution

The fourth proportional to 55,160.46, 82,753.65 and 15,718.14 is: 23,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,160.46 : 82,753.65 = 15,718.14 : x
  2. Step 2: Convert to fraction form
    55,160.46/82,753.65 = 15,718.14/x
  3. Step 3: Cross multiply
    55,160.46x = 82,753.65 × 15,718.14
  4. Step 4: Simplify right side
    55,160.46x = 1,300,733,456.21
  5. Step 5: Solve for x
    x = 1,300,733,456.21/55,160.46
  6. Step 6: Final answer
    x = 23,580.90

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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.