Home / 54,913.12-82,369.68-15,470.24

Finding the Fourth Proportional to 54,913.12, 82,369.68 and 15,470.24

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Solution

The fourth proportional to 54,913.12, 82,369.68 and 15,470.24 is: 23,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,913.12 : 82,369.68 = 15,470.24 : x
  2. Step 2: Convert to fraction form
    54,913.12/82,369.68 = 15,470.24/x
  3. Step 3: Cross multiply
    54,913.12x = 82,369.68 × 15,470.24
  4. Step 4: Simplify right side
    54,913.12x = 1,274,278,718.32
  5. Step 5: Solve for x
    x = 1,274,278,718.32/54,913.12
  6. Step 6: Final answer
    x = 23,205.36

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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.