Home / 17,471.66-26,189.04-12,538.61

Finding the Fourth Proportional to 17,471.66, 26,189.04 and 12,538.61

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Solution

The fourth proportional to 17,471.66, 26,189.04 and 12,538.61 is: 18,794.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,471.66 : 26,189.04 = 12,538.61 : x
  2. Step 2: Convert to fraction form
    17,471.66/26,189.04 = 12,538.61/x
  3. Step 3: Cross multiply
    17,471.66x = 26,189.04 × 12,538.61
  4. Step 4: Simplify right side
    17,471.66x = 328,374,158.83
  5. Step 5: Solve for x
    x = 328,374,158.83/17,471.66
  6. Step 6: Final answer
    x = 18,794.67

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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.