Home / 25,564.11-35,291.19-19,808.65

Finding the Fourth Proportional to 25,564.11, 35,291.19 and 19,808.65

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Solution

The fourth proportional to 25,564.11, 35,291.19 and 19,808.65 is: 27,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,564.11 : 35,291.19 = 19,808.65 : x
  2. Step 2: Convert to fraction form
    25,564.11/35,291.19 = 19,808.65/x
  3. Step 3: Cross multiply
    25,564.11x = 35,291.19 × 19,808.65
  4. Step 4: Simplify right side
    25,564.11x = 699,070,949.19
  5. Step 5: Solve for x
    x = 699,070,949.19/25,564.11
  6. Step 6: Final answer
    x = 27,345.80

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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.