Home / 13,334.76-18,401.85-7,366.59

Finding the Fourth Proportional to 13,334.76, 18,401.85 and 7,366.59

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Solution

The fourth proportional to 13,334.76, 18,401.85 and 7,366.59 is: 10,165.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.76 : 18,401.85 = 7,366.59 : x
  2. Step 2: Convert to fraction form
    13,334.76/18,401.85 = 7,366.59/x
  3. Step 3: Cross multiply
    13,334.76x = 18,401.85 × 7,366.59
  4. Step 4: Simplify right side
    13,334.76x = 135,558,884.19
  5. Step 5: Solve for x
    x = 135,558,884.19/13,334.76
  6. Step 6: Final answer
    x = 10,165.83

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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.