Home / 13,337.67-18,392.17-11,455.48

Finding the Fourth Proportional to 13,337.67, 18,392.17 and 11,455.48

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Solution

The fourth proportional to 13,337.67, 18,392.17 and 11,455.48 is: 15,796.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.67 : 18,392.17 = 11,455.48 : x
  2. Step 2: Convert to fraction form
    13,337.67/18,392.17 = 11,455.48/x
  3. Step 3: Cross multiply
    13,337.67x = 18,392.17 × 11,455.48
  4. Step 4: Simplify right side
    13,337.67x = 210,691,135.59
  5. Step 5: Solve for x
    x = 210,691,135.59/13,337.67
  6. Step 6: Final answer
    x = 15,796.70

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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.