Home / 22,679.90-31,293.69-13,246.64

Finding the Fourth Proportional to 22,679.90, 31,293.69 and 13,246.64

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Solution

The fourth proportional to 22,679.90, 31,293.69 and 13,246.64 is: 18,277.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.90 : 31,293.69 = 13,246.64 : x
  2. Step 2: Convert to fraction form
    22,679.90/31,293.69 = 13,246.64/x
  3. Step 3: Cross multiply
    22,679.90x = 31,293.69 × 13,246.64
  4. Step 4: Simplify right side
    22,679.90x = 414,536,231.42
  5. Step 5: Solve for x
    x = 414,536,231.42/22,679.90
  6. Step 6: Final answer
    x = 18,277.69

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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.