Home / 25,930.38-38,903.73-9,279.06

Finding the Fourth Proportional to 25,930.38, 38,903.73 and 9,279.06

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Solution

The fourth proportional to 25,930.38, 38,903.73 and 9,279.06 is: 13,921.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,930.38 : 38,903.73 = 9,279.06 : x
  2. Step 2: Convert to fraction form
    25,930.38/38,903.73 = 9,279.06/x
  3. Step 3: Cross multiply
    25,930.38x = 38,903.73 × 9,279.06
  4. Step 4: Simplify right side
    25,930.38x = 360,990,044.89
  5. Step 5: Solve for x
    x = 360,990,044.89/25,930.38
  6. Step 6: Final answer
    x = 13,921.51

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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.