Home / 21,616.62-32,236.34-19,227.32

Finding the Fourth Proportional to 21,616.62, 32,236.34 and 19,227.32

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Solution

The fourth proportional to 21,616.62, 32,236.34 and 19,227.32 is: 28,673.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,616.62 : 32,236.34 = 19,227.32 : x
  2. Step 2: Convert to fraction form
    21,616.62/32,236.34 = 19,227.32/x
  3. Step 3: Cross multiply
    21,616.62x = 32,236.34 × 19,227.32
  4. Step 4: Simplify right side
    21,616.62x = 619,818,288.38
  5. Step 5: Solve for x
    x = 619,818,288.38/21,616.62
  6. Step 6: Final answer
    x = 28,673.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.