Home / 18,258.06-25,135.20-17,422.14

Finding the Fourth Proportional to 18,258.06, 25,135.20 and 17,422.14

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Solution

The fourth proportional to 18,258.06, 25,135.20 and 17,422.14 is: 23,984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.06 : 25,135.20 = 17,422.14 : x
  2. Step 2: Convert to fraction form
    18,258.06/25,135.20 = 17,422.14/x
  3. Step 3: Cross multiply
    18,258.06x = 25,135.20 × 17,422.14
  4. Step 4: Simplify right side
    18,258.06x = 437,908,973.33
  5. Step 5: Solve for x
    x = 437,908,973.33/18,258.06
  6. Step 6: Final answer
    x = 23,984.42

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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.