Home / 18,753.12-25,878.60-10,254.96

Finding the Fourth Proportional to 18,753.12, 25,878.60 and 10,254.96

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Solution

The fourth proportional to 18,753.12, 25,878.60 and 10,254.96 is: 14,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753.12 : 25,878.60 = 10,254.96 : x
  2. Step 2: Convert to fraction form
    18,753.12/25,878.60 = 10,254.96/x
  3. Step 3: Cross multiply
    18,753.12x = 25,878.60 × 10,254.96
  4. Step 4: Simplify right side
    18,753.12x = 265,384,007.86
  5. Step 5: Solve for x
    x = 265,384,007.86/18,753.12
  6. Step 6: Final answer
    x = 14,151.46

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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.