Home / 18,590.25-25,655.10-10,207.29

Finding the Fourth Proportional to 18,590.25, 25,655.10 and 10,207.29

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Solution

The fourth proportional to 18,590.25, 25,655.10 and 10,207.29 is: 14,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.25 : 25,655.10 = 10,207.29 : x
  2. Step 2: Convert to fraction form
    18,590.25/25,655.10 = 10,207.29/x
  3. Step 3: Cross multiply
    18,590.25x = 25,655.10 × 10,207.29
  4. Step 4: Simplify right side
    18,590.25x = 261,869,045.68
  5. Step 5: Solve for x
    x = 261,869,045.68/18,590.25
  6. Step 6: Final answer
    x = 14,086.36

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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.