Home / 22,427.66-30,948.69-13,469.84

Finding the Fourth Proportional to 22,427.66, 30,948.69 and 13,469.84

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Solution

The fourth proportional to 22,427.66, 30,948.69 and 13,469.84 is: 18,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,427.66 : 30,948.69 = 13,469.84 : x
  2. Step 2: Convert to fraction form
    22,427.66/30,948.69 = 13,469.84/x
  3. Step 3: Cross multiply
    22,427.66x = 30,948.69 × 13,469.84
  4. Step 4: Simplify right side
    22,427.66x = 416,873,902.51
  5. Step 5: Solve for x
    x = 416,873,902.51/22,427.66
  6. Step 6: Final answer
    x = 18,587.49

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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.