Home / 15,128.20-22,692.30-4,036.60

Finding the Fourth Proportional to 15,128.20, 22,692.30 and 4,036.60

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Solution

The fourth proportional to 15,128.20, 22,692.30 and 4,036.60 is: 6,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128.20 : 22,692.30 = 4,036.60 : x
  2. Step 2: Convert to fraction form
    15,128.20/22,692.30 = 4,036.60/x
  3. Step 3: Cross multiply
    15,128.20x = 22,692.30 × 4,036.60
  4. Step 4: Simplify right side
    15,128.20x = 91,599,738.18
  5. Step 5: Solve for x
    x = 91,599,738.18/15,128.20
  6. Step 6: Final answer
    x = 6,054.90

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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.