Home / 18,217.24-25,142.98-17,386.18

Finding the Fourth Proportional to 18,217.24, 25,142.98 and 17,386.18

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Solution

The fourth proportional to 18,217.24, 25,142.98 and 17,386.18 is: 23,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.24 : 25,142.98 = 17,386.18 : x
  2. Step 2: Convert to fraction form
    18,217.24/25,142.98 = 17,386.18/x
  3. Step 3: Cross multiply
    18,217.24x = 25,142.98 × 17,386.18
  4. Step 4: Simplify right side
    18,217.24x = 437,140,376.02
  5. Step 5: Solve for x
    x = 437,140,376.02/18,217.24
  6. Step 6: Final answer
    x = 23,995.97

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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.