Home / 13,274.24-18,319.56-7,307.04

Finding the Fourth Proportional to 13,274.24, 18,319.56 and 7,307.04

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Solution

The fourth proportional to 13,274.24, 18,319.56 and 7,307.04 is: 10,084.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.24 : 18,319.56 = 7,307.04 : x
  2. Step 2: Convert to fraction form
    13,274.24/18,319.56 = 7,307.04/x
  3. Step 3: Cross multiply
    13,274.24x = 18,319.56 × 7,307.04
  4. Step 4: Simplify right side
    13,274.24x = 133,861,757.70
  5. Step 5: Solve for x
    x = 133,861,757.70/13,274.24
  6. Step 6: Final answer
    x = 10,084.33

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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.