Home / 25,110.76-34,652.40-13,780.48

Finding the Fourth Proportional to 25,110.76, 34,652.40 and 13,780.48

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Solution

The fourth proportional to 25,110.76, 34,652.40 and 13,780.48 is: 19,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,110.76 : 34,652.40 = 13,780.48 : x
  2. Step 2: Convert to fraction form
    25,110.76/34,652.40 = 13,780.48/x
  3. Step 3: Cross multiply
    25,110.76x = 34,652.40 × 13,780.48
  4. Step 4: Simplify right side
    25,110.76x = 477,526,705.15
  5. Step 5: Solve for x
    x = 477,526,705.15/25,110.76
  6. Step 6: Final answer
    x = 19,016.82

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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.