Home / 18,569.24-25,621.89-11,398.31

Finding the Fourth Proportional to 18,569.24, 25,621.89 and 11,398.31

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Solution

The fourth proportional to 18,569.24, 25,621.89 and 11,398.31 is: 15,727.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.24 : 25,621.89 = 11,398.31 : x
  2. Step 2: Convert to fraction form
    18,569.24/25,621.89 = 11,398.31/x
  3. Step 3: Cross multiply
    18,569.24x = 25,621.89 × 11,398.31
  4. Step 4: Simplify right side
    18,569.24x = 292,046,245.01
  5. Step 5: Solve for x
    x = 292,046,245.01/18,569.24
  6. Step 6: Final answer
    x = 15,727.42

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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.