Home / 18,047.22-24,858.90-12,732.72

Finding the Fourth Proportional to 18,047.22, 24,858.90 and 12,732.72

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Solution

The fourth proportional to 18,047.22, 24,858.90 and 12,732.72 is: 17,538.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,047.22 : 24,858.90 = 12,732.72 : x
  2. Step 2: Convert to fraction form
    18,047.22/24,858.90 = 12,732.72/x
  3. Step 3: Cross multiply
    18,047.22x = 24,858.90 × 12,732.72
  4. Step 4: Simplify right side
    18,047.22x = 316,521,413.21
  5. Step 5: Solve for x
    x = 316,521,413.21/18,047.22
  6. Step 6: Final answer
    x = 17,538.51

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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.