Home / 25,692.60-38,540.70-10,899.84

Finding the Fourth Proportional to 25,692.60, 38,540.70 and 10,899.84

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Solution

The fourth proportional to 25,692.60, 38,540.70 and 10,899.84 is: 16,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,692.60 : 38,540.70 = 10,899.84 : x
  2. Step 2: Convert to fraction form
    25,692.60/38,540.70 = 10,899.84/x
  3. Step 3: Cross multiply
    25,692.60x = 38,540.70 × 10,899.84
  4. Step 4: Simplify right side
    25,692.60x = 420,087,463.49
  5. Step 5: Solve for x
    x = 420,087,463.49/25,692.60
  6. Step 6: Final answer
    x = 16,350.52

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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.