Home / 13,302.98-18,358.19-7,334.55

Finding the Fourth Proportional to 13,302.98, 18,358.19 and 7,334.55

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Solution

The fourth proportional to 13,302.98, 18,358.19 and 7,334.55 is: 10,121.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.98 : 18,358.19 = 7,334.55 : x
  2. Step 2: Convert to fraction form
    13,302.98/18,358.19 = 7,334.55/x
  3. Step 3: Cross multiply
    13,302.98x = 18,358.19 × 7,334.55
  4. Step 4: Simplify right side
    13,302.98x = 134,649,094.55
  5. Step 5: Solve for x
    x = 134,649,094.55/13,302.98
  6. Step 6: Final answer
    x = 10,121.72

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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.