Home / 25,675.82-38,513.49-13,835.17

Finding the Fourth Proportional to 25,675.82, 38,513.49 and 13,835.17

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Solution

The fourth proportional to 25,675.82, 38,513.49 and 13,835.17 is: 20,752.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,675.82 : 38,513.49 = 13,835.17 : x
  2. Step 2: Convert to fraction form
    25,675.82/38,513.49 = 13,835.17/x
  3. Step 3: Cross multiply
    25,675.82x = 38,513.49 × 13,835.17
  4. Step 4: Simplify right side
    25,675.82x = 532,840,681.44
  5. Step 5: Solve for x
    x = 532,840,681.44/25,675.82
  6. Step 6: Final answer
    x = 20,752.63

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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.