Home / 18,255.17-25,191.56-10,297.28

Finding the Fourth Proportional to 18,255.17, 25,191.56 and 10,297.28

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Solution

The fourth proportional to 18,255.17, 25,191.56 and 10,297.28 is: 14,209.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.17 : 25,191.56 = 10,297.28 : x
  2. Step 2: Convert to fraction form
    18,255.17/25,191.56 = 10,297.28/x
  3. Step 3: Cross multiply
    18,255.17x = 25,191.56 × 10,297.28
  4. Step 4: Simplify right side
    18,255.17x = 259,404,369.51
  5. Step 5: Solve for x
    x = 259,404,369.51/18,255.17
  6. Step 6: Final answer
    x = 14,209.92

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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.