Home / 13,180.44-18,182.88-7,588.20

Finding the Fourth Proportional to 13,180.44, 18,182.88 and 7,588.20

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Solution

The fourth proportional to 13,180.44, 18,182.88 and 7,588.20 is: 10,468.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.44 : 18,182.88 = 7,588.20 : x
  2. Step 2: Convert to fraction form
    13,180.44/18,182.88 = 7,588.20/x
  3. Step 3: Cross multiply
    13,180.44x = 18,182.88 × 7,588.20
  4. Step 4: Simplify right side
    13,180.44x = 137,975,330.02
  5. Step 5: Solve for x
    x = 137,975,330.02/13,180.44
  6. Step 6: Final answer
    x = 10,468.19

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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.