Home / 13,302.82-18,358.01-7,334.70

Finding the Fourth Proportional to 13,302.82, 18,358.01 and 7,334.70

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Solution

The fourth proportional to 13,302.82, 18,358.01 and 7,334.70 is: 10,121.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.82 : 18,358.01 = 7,334.70 : x
  2. Step 2: Convert to fraction form
    13,302.82/18,358.01 = 7,334.70/x
  3. Step 3: Cross multiply
    13,302.82x = 18,358.01 × 7,334.70
  4. Step 4: Simplify right side
    13,302.82x = 134,650,495.95
  5. Step 5: Solve for x
    x = 134,650,495.95/13,302.82
  6. Step 6: Final answer
    x = 10,121.95

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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.