Home / 18,401.16-25,393.59-10,017.66

Finding the Fourth Proportional to 18,401.16, 25,393.59 and 10,017.66

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Solution

The fourth proportional to 18,401.16, 25,393.59 and 10,017.66 is: 13,824.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.16 : 25,393.59 = 10,017.66 : x
  2. Step 2: Convert to fraction form
    18,401.16/25,393.59 = 10,017.66/x
  3. Step 3: Cross multiply
    18,401.16x = 25,393.59 × 10,017.66
  4. Step 4: Simplify right side
    18,401.16x = 254,384,350.80
  5. Step 5: Solve for x
    x = 254,384,350.80/18,401.16
  6. Step 6: Final answer
    x = 13,824.36

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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.