Home / 18,180.42-27,270.66-5,032.83

Finding the Fourth Proportional to 18,180.42, 27,270.66 and 5,032.83

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Solution

The fourth proportional to 18,180.42, 27,270.66 and 5,032.83 is: 7,549.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.42 : 27,270.66 = 5,032.83 : x
  2. Step 2: Convert to fraction form
    18,180.42/27,270.66 = 5,032.83/x
  3. Step 3: Cross multiply
    18,180.42x = 27,270.66 × 5,032.83
  4. Step 4: Simplify right side
    18,180.42x = 137,248,459.41
  5. Step 5: Solve for x
    x = 137,248,459.41/18,180.42
  6. Step 6: Final answer
    x = 7,549.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.