Home / 18,023.61-27,032.85-13,049.81

Finding the Fourth Proportional to 18,023.61, 27,032.85 and 13,049.81

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Solution

The fourth proportional to 18,023.61, 27,032.85 and 13,049.81 is: 19,572.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023.61 : 27,032.85 = 13,049.81 : x
  2. Step 2: Convert to fraction form
    18,023.61/27,032.85 = 13,049.81/x
  3. Step 3: Cross multiply
    18,023.61x = 27,032.85 × 13,049.81
  4. Step 4: Simplify right side
    18,023.61x = 352,773,421.09
  5. Step 5: Solve for x
    x = 352,773,421.09/18,023.61
  6. Step 6: Final answer
    x = 19,572.85

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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.