Home / 18,108.75-24,990.17-10,560.32

Finding the Fourth Proportional to 18,108.75, 24,990.17 and 10,560.32

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Solution

The fourth proportional to 18,108.75, 24,990.17 and 10,560.32 is: 14,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.75 : 24,990.17 = 10,560.32 : x
  2. Step 2: Convert to fraction form
    18,108.75/24,990.17 = 10,560.32/x
  3. Step 3: Cross multiply
    18,108.75x = 24,990.17 × 10,560.32
  4. Step 4: Simplify right side
    18,108.75x = 263,904,014.30
  5. Step 5: Solve for x
    x = 263,904,014.30/18,108.75
  6. Step 6: Final answer
    x = 14,573.29

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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.