Home / 25,429.45-38,150.51-17,947.61

Finding the Fourth Proportional to 25,429.45, 38,150.51 and 17,947.61

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Solution

The fourth proportional to 25,429.45, 38,150.51 and 17,947.61 is: 26,925.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429.45 : 38,150.51 = 17,947.61 : x
  2. Step 2: Convert to fraction form
    25,429.45/38,150.51 = 17,947.61/x
  3. Step 3: Cross multiply
    25,429.45x = 38,150.51 × 17,947.61
  4. Step 4: Simplify right side
    25,429.45x = 684,710,474.78
  5. Step 5: Solve for x
    x = 684,710,474.78/25,429.45
  6. Step 6: Final answer
    x = 26,925.89

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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.