Home / 18,253.03-25,189.19-9,869.53

Finding the Fourth Proportional to 18,253.03, 25,189.19 and 9,869.53

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Solution

The fourth proportional to 18,253.03, 25,189.19 and 9,869.53 is: 13,619.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.03 : 25,189.19 = 9,869.53 : x
  2. Step 2: Convert to fraction form
    18,253.03/25,189.19 = 9,869.53/x
  3. Step 3: Cross multiply
    18,253.03x = 25,189.19 × 9,869.53
  4. Step 4: Simplify right side
    18,253.03x = 248,605,466.38
  5. Step 5: Solve for x
    x = 248,605,466.38/18,253.03
  6. Step 6: Final answer
    x = 13,619.96

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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.