Home / 18,547.52-25,595.19-13,251.33

Finding the Fourth Proportional to 18,547.52, 25,595.19 and 13,251.33

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Solution

The fourth proportional to 18,547.52, 25,595.19 and 13,251.33 is: 18,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547.52 : 25,595.19 = 13,251.33 : x
  2. Step 2: Convert to fraction form
    18,547.52/25,595.19 = 13,251.33/x
  3. Step 3: Cross multiply
    18,547.52x = 25,595.19 × 13,251.33
  4. Step 4: Simplify right side
    18,547.52x = 339,170,309.10
  5. Step 5: Solve for x
    x = 339,170,309.10/18,547.52
  6. Step 6: Final answer
    x = 18,286.56

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Double scale
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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.