Home / 13,302.66-18,357.45-7,334.88

Finding the Fourth Proportional to 13,302.66, 18,357.45 and 7,334.88

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Solution

The fourth proportional to 13,302.66, 18,357.45 and 7,334.88 is: 10,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.66 : 18,357.45 = 7,334.88 : x
  2. Step 2: Convert to fraction form
    13,302.66/18,357.45 = 7,334.88/x
  3. Step 3: Cross multiply
    13,302.66x = 18,357.45 × 7,334.88
  4. Step 4: Simplify right side
    13,302.66x = 134,649,692.86
  5. Step 5: Solve for x
    x = 134,649,692.86/13,302.66
  6. Step 6: Final answer
    x = 10,122.01

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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.