Home / 25,540.85-38,304.78-13,053.89

Finding the Fourth Proportional to 25,540.85, 38,304.78 and 13,053.89

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Solution

The fourth proportional to 25,540.85, 38,304.78 and 13,053.89 is: 19,577.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,540.85 : 38,304.78 = 13,053.89 : x
  2. Step 2: Convert to fraction form
    25,540.85/38,304.78 = 13,053.89/x
  3. Step 3: Cross multiply
    25,540.85x = 38,304.78 × 13,053.89
  4. Step 4: Simplify right side
    25,540.85x = 500,026,193.07
  5. Step 5: Solve for x
    x = 500,026,193.07/25,540.85
  6. Step 6: Final answer
    x = 19,577.51

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1.5x scale

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.