Home / 18,108.48-24,989.46-10,150.74

Finding the Fourth Proportional to 18,108.48, 24,989.46 and 10,150.74

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Solution

The fourth proportional to 18,108.48, 24,989.46 and 10,150.74 is: 14,007.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.48 : 24,989.46 = 10,150.74 : x
  2. Step 2: Convert to fraction form
    18,108.48/24,989.46 = 10,150.74/x
  3. Step 3: Cross multiply
    18,108.48x = 24,989.46 × 10,150.74
  4. Step 4: Simplify right side
    18,108.48x = 253,661,511.20
  5. Step 5: Solve for x
    x = 253,661,511.20/18,108.48
  6. Step 6: Final answer
    x = 14,007.89

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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.