Home / 25,338.59-38,012.52-8,470.00

Finding the Fourth Proportional to 25,338.59, 38,012.52 and 8,470.00

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Solution

The fourth proportional to 25,338.59, 38,012.52 and 8,470.00 is: 12,706.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,338.59 : 38,012.52 = 8,470.00 : x
  2. Step 2: Convert to fraction form
    25,338.59/38,012.52 = 8,470.00/x
  3. Step 3: Cross multiply
    25,338.59x = 38,012.52 × 8,470.00
  4. Step 4: Simplify right side
    25,338.59x = 321,966,107.67
  5. Step 5: Solve for x
    x = 321,966,107.67/25,338.59
  6. Step 6: Final answer
    x = 12,706.55

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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.