Home / 22,794.07-31,426.57-18,690.75

Finding the Fourth Proportional to 22,794.07, 31,426.57 and 18,690.75

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Solution

The fourth proportional to 22,794.07, 31,426.57 and 18,690.75 is: 25,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,794.07 : 31,426.57 = 18,690.75 : x
  2. Step 2: Convert to fraction form
    22,794.07/31,426.57 = 18,690.75/x
  3. Step 3: Cross multiply
    22,794.07x = 31,426.57 × 18,690.75
  4. Step 4: Simplify right side
    22,794.07x = 587,386,163.23
  5. Step 5: Solve for x
    x = 587,386,163.23/22,794.07
  6. Step 6: Final answer
    x = 25,769.25

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Half scale
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Double scale
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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.