Home / 18,223.06-25,147.31-10,265.10

Finding the Fourth Proportional to 18,223.06, 25,147.31 and 10,265.10

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Solution

The fourth proportional to 18,223.06, 25,147.31 and 10,265.10 is: 14,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.06 : 25,147.31 = 10,265.10 : x
  2. Step 2: Convert to fraction form
    18,223.06/25,147.31 = 10,265.10/x
  3. Step 3: Cross multiply
    18,223.06x = 25,147.31 × 10,265.10
  4. Step 4: Simplify right side
    18,223.06x = 258,139,600.56
  5. Step 5: Solve for x
    x = 258,139,600.56/18,223.06
  6. Step 6: Final answer
    x = 14,165.55

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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.