Home / 25,277.45-34,882.65-13,947.05

Finding the Fourth Proportional to 25,277.45, 34,882.65 and 13,947.05

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Solution

The fourth proportional to 25,277.45, 34,882.65 and 13,947.05 is: 19,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,277.45 : 34,882.65 = 13,947.05 : x
  2. Step 2: Convert to fraction form
    25,277.45/34,882.65 = 13,947.05/x
  3. Step 3: Cross multiply
    25,277.45x = 34,882.65 × 13,947.05
  4. Step 4: Simplify right side
    25,277.45x = 486,510,063.68
  5. Step 5: Solve for x
    x = 486,510,063.68/25,277.45
  6. Step 6: Final answer
    x = 19,246.80

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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.