Home / 40,574.20-60,861.30-10,995.70

Finding the Fourth Proportional to 40,574.20, 60,861.30 and 10,995.70

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Solution

The fourth proportional to 40,574.20, 60,861.30 and 10,995.70 is: 16,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,574.20 : 60,861.30 = 10,995.70 : x
  2. Step 2: Convert to fraction form
    40,574.20/60,861.30 = 10,995.70/x
  3. Step 3: Cross multiply
    40,574.20x = 60,861.30 × 10,995.70
  4. Step 4: Simplify right side
    40,574.20x = 669,212,596.41
  5. Step 5: Solve for x
    x = 669,212,596.41/40,574.20
  6. Step 6: Final answer
    x = 16,493.55

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Double scale
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Similar ratio
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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.