Home / 18,301.14-25,237.98-15,103.26

Finding the Fourth Proportional to 18,301.14, 25,237.98 and 15,103.26

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Solution

The fourth proportional to 18,301.14, 25,237.98 and 15,103.26 is: 20,827.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.14 : 25,237.98 = 15,103.26 : x
  2. Step 2: Convert to fraction form
    18,301.14/25,237.98 = 15,103.26/x
  3. Step 3: Cross multiply
    18,301.14x = 25,237.98 × 15,103.26
  4. Step 4: Simplify right side
    18,301.14x = 381,175,773.81
  5. Step 5: Solve for x
    x = 381,175,773.81/18,301.14
  6. Step 6: Final answer
    x = 20,827.98

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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.