Home / 18,530.64-25,555.14-16,398.27

Finding the Fourth Proportional to 18,530.64, 25,555.14 and 16,398.27

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Solution

The fourth proportional to 18,530.64, 25,555.14 and 16,398.27 is: 22,614.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.64 : 25,555.14 = 16,398.27 : x
  2. Step 2: Convert to fraction form
    18,530.64/25,555.14 = 16,398.27/x
  3. Step 3: Cross multiply
    18,530.64x = 25,555.14 × 16,398.27
  4. Step 4: Simplify right side
    18,530.64x = 419,060,085.61
  5. Step 5: Solve for x
    x = 419,060,085.61/18,530.64
  6. Step 6: Final answer
    x = 22,614.44

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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.