Home / 25,697.19-38,540.49-9,896.81

Finding the Fourth Proportional to 25,697.19, 38,540.49 and 9,896.81

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Solution

The fourth proportional to 25,697.19, 38,540.49 and 9,896.81 is: 14,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,697.19 : 38,540.49 = 9,896.81 : x
  2. Step 2: Convert to fraction form
    25,697.19/38,540.49 = 9,896.81/x
  3. Step 3: Cross multiply
    25,697.19x = 38,540.49 × 9,896.81
  4. Step 4: Simplify right side
    25,697.19x = 381,427,714.13
  5. Step 5: Solve for x
    x = 381,427,714.13/25,697.19
  6. Step 6: Final answer
    x = 14,843.17

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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.