Home / 25,915.60-38,811.09-14,788.54

Finding the Fourth Proportional to 25,915.60, 38,811.09 and 14,788.54

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Solution

The fourth proportional to 25,915.60, 38,811.09 and 14,788.54 is: 22,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,915.60 : 38,811.09 = 14,788.54 : x
  2. Step 2: Convert to fraction form
    25,915.60/38,811.09 = 14,788.54/x
  3. Step 3: Cross multiply
    25,915.60x = 38,811.09 × 14,788.54
  4. Step 4: Simplify right side
    25,915.60x = 573,959,356.91
  5. Step 5: Solve for x
    x = 573,959,356.91/25,915.60
  6. Step 6: Final answer
    x = 22,147.25

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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.