Home / 22,427.54-30,948.52-13,469.72

Finding the Fourth Proportional to 22,427.54, 30,948.52 and 13,469.72

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Solution

The fourth proportional to 22,427.54, 30,948.52 and 13,469.72 is: 18,587.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,427.54 : 30,948.52 = 13,469.72 : x
  2. Step 2: Convert to fraction form
    22,427.54/30,948.52 = 13,469.72/x
  3. Step 3: Cross multiply
    22,427.54x = 30,948.52 × 13,469.72
  4. Step 4: Simplify right side
    22,427.54x = 416,867,710.40
  5. Step 5: Solve for x
    x = 416,867,710.40/22,427.54
  6. Step 6: Final answer
    x = 18,587.32

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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.