Home / 25,742.76-38,619.80-14,654.64

Finding the Fourth Proportional to 25,742.76, 38,619.80 and 14,654.64

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Solution

The fourth proportional to 25,742.76, 38,619.80 and 14,654.64 is: 21,985.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,742.76 : 38,619.80 = 14,654.64 : x
  2. Step 2: Convert to fraction form
    25,742.76/38,619.80 = 14,654.64/x
  3. Step 3: Cross multiply
    25,742.76x = 38,619.80 × 14,654.64
  4. Step 4: Simplify right side
    25,742.76x = 565,959,265.87
  5. Step 5: Solve for x
    x = 565,959,265.87/25,742.76
  6. Step 6: Final answer
    x = 21,985.18

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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.