Home / 22,679.65-31,290.60-12,606.14

Finding the Fourth Proportional to 22,679.65, 31,290.60 and 12,606.14

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Solution

The fourth proportional to 22,679.65, 31,290.60 and 12,606.14 is: 17,392.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.65 : 31,290.60 = 12,606.14 : x
  2. Step 2: Convert to fraction form
    22,679.65/31,290.60 = 12,606.14/x
  3. Step 3: Cross multiply
    22,679.65x = 31,290.60 × 12,606.14
  4. Step 4: Simplify right side
    22,679.65x = 394,453,684.28
  5. Step 5: Solve for x
    x = 394,453,684.28/22,679.65
  6. Step 6: Final answer
    x = 17,392.41

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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.