Home / 22,670.12-31,284.96-13,244.42

Finding the Fourth Proportional to 22,670.12, 31,284.96 and 13,244.42

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Solution

The fourth proportional to 22,670.12, 31,284.96 and 13,244.42 is: 18,277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,670.12 : 31,284.96 = 13,244.42 : x
  2. Step 2: Convert to fraction form
    22,670.12/31,284.96 = 13,244.42/x
  3. Step 3: Cross multiply
    22,670.12x = 31,284.96 × 13,244.42
  4. Step 4: Simplify right side
    22,670.12x = 414,351,149.92
  5. Step 5: Solve for x
    x = 414,351,149.92/22,670.12
  6. Step 6: Final answer
    x = 18,277.41

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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.