Home / 13,335.57-18,402.25-7,366.95

Finding the Fourth Proportional to 13,335.57, 18,402.25 and 7,366.95

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Solution

The fourth proportional to 13,335.57, 18,402.25 and 7,366.95 is: 10,165.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.57 : 18,402.25 = 7,366.95 : x
  2. Step 2: Convert to fraction form
    13,335.57/18,402.25 = 7,366.95/x
  3. Step 3: Cross multiply
    13,335.57x = 18,402.25 × 7,366.95
  4. Step 4: Simplify right side
    13,335.57x = 135,568,455.64
  5. Step 5: Solve for x
    x = 135,568,455.64/13,335.57
  6. Step 6: Final answer
    x = 10,165.93

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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.