Home / 22,728.52-31,365.84-13,302.52

Finding the Fourth Proportional to 22,728.52, 31,365.84 and 13,302.52

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Solution

The fourth proportional to 22,728.52, 31,365.84 and 13,302.52 is: 18,357.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,728.52 : 31,365.84 = 13,302.52 : x
  2. Step 2: Convert to fraction form
    22,728.52/31,365.84 = 13,302.52/x
  3. Step 3: Cross multiply
    22,728.52x = 31,365.84 × 13,302.52
  4. Step 4: Simplify right side
    22,728.52x = 417,244,713.92
  5. Step 5: Solve for x
    x = 417,244,713.92/22,728.52
  6. Step 6: Final answer
    x = 18,357.76

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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.