Home / 25,717.98-38,582.80-9,078.14

Finding the Fourth Proportional to 25,717.98, 38,582.80 and 9,078.14

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Solution

The fourth proportional to 25,717.98, 38,582.80 and 9,078.14 is: 13,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,717.98 : 38,582.80 = 9,078.14 : x
  2. Step 2: Convert to fraction form
    25,717.98/38,582.80 = 9,078.14/x
  3. Step 3: Cross multiply
    25,717.98x = 38,582.80 × 9,078.14
  4. Step 4: Simplify right side
    25,717.98x = 350,259,821.69
  5. Step 5: Solve for x
    x = 350,259,821.69/25,717.98
  6. Step 6: Final answer
    x = 13,619.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.