Home / 18,631.52-25,713.20-10,676.32

Finding the Fourth Proportional to 18,631.52, 25,713.20 and 10,676.32

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Solution

The fourth proportional to 18,631.52, 25,713.20 and 10,676.32 is: 14,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.52 : 25,713.20 = 10,676.32 : x
  2. Step 2: Convert to fraction form
    18,631.52/25,713.20 = 10,676.32/x
  3. Step 3: Cross multiply
    18,631.52x = 25,713.20 × 10,676.32
  4. Step 4: Simplify right side
    18,631.52x = 274,522,351.42
  5. Step 5: Solve for x
    x = 274,522,351.42/18,631.52
  6. Step 6: Final answer
    x = 14,734.30

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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.