Home / 15,592.42-21,517.34-8,518.83

Finding the Fourth Proportional to 15,592.42, 21,517.34 and 8,518.83

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Solution

The fourth proportional to 15,592.42, 21,517.34 and 8,518.83 is: 11,755.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,592.42 : 21,517.34 = 8,518.83 : x
  2. Step 2: Convert to fraction form
    15,592.42/21,517.34 = 8,518.83/x
  3. Step 3: Cross multiply
    15,592.42x = 21,517.34 × 8,518.83
  4. Step 4: Simplify right side
    15,592.42x = 183,302,561.51
  5. Step 5: Solve for x
    x = 183,302,561.51/15,592.42
  6. Step 6: Final answer
    x = 11,755.88

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Double scale
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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.