Home / 25,676.60-38,488.98-13,965.56

Finding the Fourth Proportional to 25,676.60, 38,488.98 and 13,965.56

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Solution

The fourth proportional to 25,676.60, 38,488.98 and 13,965.56 is: 20,934.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,676.60 : 38,488.98 = 13,965.56 : x
  2. Step 2: Convert to fraction form
    25,676.60/38,488.98 = 13,965.56/x
  3. Step 3: Cross multiply
    25,676.60x = 38,488.98 × 13,965.56
  4. Step 4: Simplify right side
    25,676.60x = 537,520,159.53
  5. Step 5: Solve for x
    x = 537,520,159.53/25,676.60
  6. Step 6: Final answer
    x = 20,934.24

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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.