Home / 11,693.11-17,426.18-11,319.52

Finding the Fourth Proportional to 11,693.11, 17,426.18 and 11,319.52

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Solution

The fourth proportional to 11,693.11, 17,426.18 and 11,319.52 is: 16,869.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,693.11 : 17,426.18 = 11,319.52 : x
  2. Step 2: Convert to fraction form
    11,693.11/17,426.18 = 11,319.52/x
  3. Step 3: Cross multiply
    11,693.11x = 17,426.18 × 11,319.52
  4. Step 4: Simplify right side
    11,693.11x = 197,255,993.03
  5. Step 5: Solve for x
    x = 197,255,993.03/11,693.11
  6. Step 6: Final answer
    x = 16,869.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.