Home / 25,508.14-38,266.16-13,021.39

Finding the Fourth Proportional to 25,508.14, 38,266.16 and 13,021.39

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Solution

The fourth proportional to 25,508.14, 38,266.16 and 13,021.39 is: 19,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,508.14 : 38,266.16 = 13,021.39 : x
  2. Step 2: Convert to fraction form
    25,508.14/38,266.16 = 13,021.39/x
  3. Step 3: Cross multiply
    25,508.14x = 38,266.16 × 13,021.39
  4. Step 4: Simplify right side
    25,508.14x = 498,278,593.16
  5. Step 5: Solve for x
    x = 498,278,593.16/25,508.14
  6. Step 6: Final answer
    x = 19,534.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.