Home / 25,814.52-38,692.89-13,317.12

Finding the Fourth Proportional to 25,814.52, 38,692.89 and 13,317.12

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Solution

The fourth proportional to 25,814.52, 38,692.89 and 13,317.12 is: 19,960.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,814.52 : 38,692.89 = 13,317.12 : x
  2. Step 2: Convert to fraction form
    25,814.52/38,692.89 = 13,317.12/x
  3. Step 3: Cross multiply
    25,814.52x = 38,692.89 × 13,317.12
  4. Step 4: Simplify right side
    25,814.52x = 515,277,859.28
  5. Step 5: Solve for x
    x = 515,277,859.28/25,814.52
  6. Step 6: Final answer
    x = 19,960.78

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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.