Home / 25,833.60-38,750.40-11,793.60

Finding the Fourth Proportional to 25,833.60, 38,750.40 and 11,793.60

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Solution

The fourth proportional to 25,833.60, 38,750.40 and 11,793.60 is: 17,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,833.60 : 38,750.40 = 11,793.60 : x
  2. Step 2: Convert to fraction form
    25,833.60/38,750.40 = 11,793.60/x
  3. Step 3: Cross multiply
    25,833.60x = 38,750.40 × 11,793.60
  4. Step 4: Simplify right side
    25,833.60x = 457,006,717.44
  5. Step 5: Solve for x
    x = 457,006,717.44/25,833.60
  6. Step 6: Final answer
    x = 17,690.40

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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.