Home / 18,135.90-25,028.19-10,176.23

Finding the Fourth Proportional to 18,135.90, 25,028.19 and 10,176.23

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Solution

The fourth proportional to 18,135.90, 25,028.19 and 10,176.23 is: 14,043.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135.90 : 25,028.19 = 10,176.23 : x
  2. Step 2: Convert to fraction form
    18,135.90/25,028.19 = 10,176.23/x
  3. Step 3: Cross multiply
    18,135.90x = 25,028.19 × 10,176.23
  4. Step 4: Simplify right side
    18,135.90x = 254,692,680.49
  5. Step 5: Solve for x
    x = 254,692,680.49/18,135.90
  6. Step 6: Final answer
    x = 14,043.56

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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.