Home / 27,298.20-40,947.30-9,768.60

Finding the Fourth Proportional to 27,298.20, 40,947.30 and 9,768.60

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Solution

The fourth proportional to 27,298.20, 40,947.30 and 9,768.60 is: 14,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,298.20 : 40,947.30 = 9,768.60 : x
  2. Step 2: Convert to fraction form
    27,298.20/40,947.30 = 9,768.60/x
  3. Step 3: Cross multiply
    27,298.20x = 40,947.30 × 9,768.60
  4. Step 4: Simplify right side
    27,298.20x = 399,997,794.78
  5. Step 5: Solve for x
    x = 399,997,794.78/27,298.20
  6. Step 6: Final answer
    x = 14,652.90

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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.