Home / 25,110.60-34,652.52-13,780.28

Finding the Fourth Proportional to 25,110.60, 34,652.52 and 13,780.28

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Solution

The fourth proportional to 25,110.60, 34,652.52 and 13,780.28 is: 19,016.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,110.60 : 34,652.52 = 13,780.28 : x
  2. Step 2: Convert to fraction form
    25,110.60/34,652.52 = 13,780.28/x
  3. Step 3: Cross multiply
    25,110.60x = 34,652.52 × 13,780.28
  4. Step 4: Simplify right side
    25,110.60x = 477,521,428.31
  5. Step 5: Solve for x
    x = 477,521,428.31/25,110.60
  6. Step 6: Final answer
    x = 19,016.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.