Home / 25,101.19-34,639.90-13,770.70

Finding the Fourth Proportional to 25,101.19, 34,639.90 and 13,770.70

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Solution

The fourth proportional to 25,101.19, 34,639.90 and 13,770.70 is: 19,003.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,101.19 : 34,639.90 = 13,770.70 : x
  2. Step 2: Convert to fraction form
    25,101.19/34,639.90 = 13,770.70/x
  3. Step 3: Cross multiply
    25,101.19x = 34,639.90 × 13,770.70
  4. Step 4: Simplify right side
    25,101.19x = 477,015,670.93
  5. Step 5: Solve for x
    x = 477,015,670.93/25,101.19
  6. Step 6: Final answer
    x = 19,003.71

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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.