Home / 18,488.66-25,514.39-10,531.22

Finding the Fourth Proportional to 18,488.66, 25,514.39 and 10,531.22

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Solution

The fourth proportional to 18,488.66, 25,514.39 and 10,531.22 is: 14,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488.66 : 25,514.39 = 10,531.22 : x
  2. Step 2: Convert to fraction form
    18,488.66/25,514.39 = 10,531.22/x
  3. Step 3: Cross multiply
    18,488.66x = 25,514.39 × 10,531.22
  4. Step 4: Simplify right side
    18,488.66x = 268,697,553.01
  5. Step 5: Solve for x
    x = 268,697,553.01/18,488.66
  6. Step 6: Final answer
    x = 14,533.10

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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.