Home / 55,138.04-82,707.56-15,695.14

Finding the Fourth Proportional to 55,138.04, 82,707.56 and 15,695.14

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Solution

The fourth proportional to 55,138.04, 82,707.56 and 15,695.14 is: 23,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,138.04 : 82,707.56 = 15,695.14 : x
  2. Step 2: Convert to fraction form
    55,138.04/82,707.56 = 15,695.14/x
  3. Step 3: Cross multiply
    55,138.04x = 82,707.56 × 15,695.14
  4. Step 4: Simplify right side
    55,138.04x = 1,298,106,565.73
  5. Step 5: Solve for x
    x = 1,298,106,565.73/55,138.04
  6. Step 6: Final answer
    x = 23,542.85

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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.