Home / 25,412.83-38,121.12-6,692.74

Finding the Fourth Proportional to 25,412.83, 38,121.12 and 6,692.74

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Solution

The fourth proportional to 25,412.83, 38,121.12 and 6,692.74 is: 10,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,412.83 : 38,121.12 = 6,692.74 : x
  2. Step 2: Convert to fraction form
    25,412.83/38,121.12 = 6,692.74/x
  3. Step 3: Cross multiply
    25,412.83x = 38,121.12 × 6,692.74
  4. Step 4: Simplify right side
    25,412.83x = 255,134,744.67
  5. Step 5: Solve for x
    x = 255,134,744.67/25,412.83
  6. Step 6: Final answer
    x = 10,039.60

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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.