Home / 15,592.48-21,517.36-8,518.96

Finding the Fourth Proportional to 15,592.48, 21,517.36 and 8,518.96

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Solution

The fourth proportional to 15,592.48, 21,517.36 and 8,518.96 is: 11,756.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,592.48 : 21,517.36 = 8,518.96 : x
  2. Step 2: Convert to fraction form
    15,592.48/21,517.36 = 8,518.96/x
  3. Step 3: Cross multiply
    15,592.48x = 21,517.36 × 8,518.96
  4. Step 4: Simplify right side
    15,592.48x = 183,305,529.15
  5. Step 5: Solve for x
    x = 183,305,529.15/15,592.48
  6. Step 6: Final answer
    x = 11,756.02

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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.