Home / 13,302.48-18,357.18-7,334.70

Finding the Fourth Proportional to 13,302.48, 18,357.18 and 7,334.70

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Solution

The fourth proportional to 13,302.48, 18,357.18 and 7,334.70 is: 10,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.48 : 18,357.18 = 7,334.70 : x
  2. Step 2: Convert to fraction form
    13,302.48/18,357.18 = 7,334.70/x
  3. Step 3: Cross multiply
    13,302.48x = 18,357.18 × 7,334.70
  4. Step 4: Simplify right side
    13,302.48x = 134,644,408.15
  5. Step 5: Solve for x
    x = 134,644,408.15/13,302.48
  6. Step 6: Final answer
    x = 10,121.75

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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.