Home / 18,731.52-25,850.08-10,776.32

Finding the Fourth Proportional to 18,731.52, 25,850.08 and 10,776.32

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Solution

The fourth proportional to 18,731.52, 25,850.08 and 10,776.32 is: 14,871.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,731.52 : 25,850.08 = 10,776.32 : x
  2. Step 2: Convert to fraction form
    18,731.52/25,850.08 = 10,776.32/x
  3. Step 3: Cross multiply
    18,731.52x = 25,850.08 × 10,776.32
  4. Step 4: Simplify right side
    18,731.52x = 278,568,734.11
  5. Step 5: Solve for x
    x = 278,568,734.11/18,731.52
  6. Step 6: Final answer
    x = 14,871.66

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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.