Home / 13,224.97-18,251.12-7,256.59

Finding the Fourth Proportional to 13,224.97, 18,251.12 and 7,256.59

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Solution

The fourth proportional to 13,224.97, 18,251.12 and 7,256.59 is: 10,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.97 : 18,251.12 = 7,256.59 : x
  2. Step 2: Convert to fraction form
    13,224.97/18,251.12 = 7,256.59/x
  3. Step 3: Cross multiply
    13,224.97x = 18,251.12 × 7,256.59
  4. Step 4: Simplify right side
    13,224.97x = 132,440,867.39
  5. Step 5: Solve for x
    x = 132,440,867.39/13,224.97
  6. Step 6: Final answer
    x = 10,014.45

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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.