Home / 18,217.24-25,139.36-10,259.49

Finding the Fourth Proportional to 18,217.24, 25,139.36 and 10,259.49

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Solution

The fourth proportional to 18,217.24, 25,139.36 and 10,259.49 is: 14,157.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.24 : 25,139.36 = 10,259.49 : x
  2. Step 2: Convert to fraction form
    18,217.24/25,139.36 = 10,259.49/x
  3. Step 3: Cross multiply
    18,217.24x = 25,139.36 × 10,259.49
  4. Step 4: Simplify right side
    18,217.24x = 257,917,132.45
  5. Step 5: Solve for x
    x = 257,917,132.45/18,217.24
  6. Step 6: Final answer
    x = 14,157.86

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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.