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Finding the Fourth Proportional to 15,995.98, 22,064.70 and 10,618.70

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Solution

The fourth proportional to 15,995.98, 22,064.70 and 10,618.70 is: 14,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.98 : 22,064.70 = 10,618.70 : x
  2. Step 2: Convert to fraction form
    15,995.98/22,064.70 = 10,618.70/x
  3. Step 3: Cross multiply
    15,995.98x = 22,064.70 × 10,618.70
  4. Step 4: Simplify right side
    15,995.98x = 234,298,359.39
  5. Step 5: Solve for x
    x = 234,298,359.39/15,995.98
  6. Step 6: Final answer
    x = 14,647.33

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.