Home / 18,108.74-24,991.11-10,153.52

Finding the Fourth Proportional to 18,108.74, 24,991.11 and 10,153.52

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Solution

The fourth proportional to 18,108.74, 24,991.11 and 10,153.52 is: 14,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.74 : 24,991.11 = 10,153.52 : x
  2. Step 2: Convert to fraction form
    18,108.74/24,991.11 = 10,153.52/x
  3. Step 3: Cross multiply
    18,108.74x = 24,991.11 × 10,153.52
  4. Step 4: Simplify right side
    18,108.74x = 253,747,684.44
  5. Step 5: Solve for x
    x = 253,747,684.44/18,108.74
  6. Step 6: Final answer
    x = 14,012.45

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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.