Home / 22,167.36-30,585.60-13,777.92

Finding the Fourth Proportional to 22,167.36, 30,585.60 and 13,777.92

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Solution

The fourth proportional to 22,167.36, 30,585.60 and 13,777.92 is: 19,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,167.36 : 30,585.60 = 13,777.92 : x
  2. Step 2: Convert to fraction form
    22,167.36/30,585.60 = 13,777.92/x
  3. Step 3: Cross multiply
    22,167.36x = 30,585.60 × 13,777.92
  4. Step 4: Simplify right side
    22,167.36x = 421,405,949.95
  5. Step 5: Solve for x
    x = 421,405,949.95/22,167.36
  6. Step 6: Final answer
    x = 19,010.20

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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.