Home / 13,274.96-18,319.60-7,306.76

Finding the Fourth Proportional to 13,274.96, 18,319.60 and 7,306.76

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Solution

The fourth proportional to 13,274.96, 18,319.60 and 7,306.76 is: 10,083.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.96 : 18,319.60 = 7,306.76 : x
  2. Step 2: Convert to fraction form
    13,274.96/18,319.60 = 7,306.76/x
  3. Step 3: Cross multiply
    13,274.96x = 18,319.60 × 7,306.76
  4. Step 4: Simplify right side
    13,274.96x = 133,856,920.50
  5. Step 5: Solve for x
    x = 133,856,920.50/13,274.96
  6. Step 6: Final answer
    x = 10,083.41

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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.