Home / 13,335.05-18,402.01-7,366.59

Finding the Fourth Proportional to 13,335.05, 18,402.01 and 7,366.59

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Solution

The fourth proportional to 13,335.05, 18,402.01 and 7,366.59 is: 10,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.05 : 18,402.01 = 7,366.59 : x
  2. Step 2: Convert to fraction form
    13,335.05/18,402.01 = 7,366.59/x
  3. Step 3: Cross multiply
    13,335.05x = 18,402.01 × 7,366.59
  4. Step 4: Simplify right side
    13,335.05x = 135,560,062.85
  5. Step 5: Solve for x
    x = 135,560,062.85/13,335.05
  6. Step 6: Final answer
    x = 10,165.70

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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.