Home / 15,135.40-22,692.30-6,808.60

Finding the Fourth Proportional to 15,135.40, 22,692.30 and 6,808.60

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Solution

The fourth proportional to 15,135.40, 22,692.30 and 6,808.60 is: 10,208.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.40 : 22,692.30 = 6,808.60 : x
  2. Step 2: Convert to fraction form
    15,135.40/22,692.30 = 6,808.60/x
  3. Step 3: Cross multiply
    15,135.40x = 22,692.30 × 6,808.60
  4. Step 4: Simplify right side
    15,135.40x = 154,502,793.78
  5. Step 5: Solve for x
    x = 154,502,793.78/15,135.40
  6. Step 6: Final answer
    x = 10,208.04

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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.