Home / 25,643.07-38,464.65-10,649.97

Finding the Fourth Proportional to 25,643.07, 38,464.65 and 10,649.97

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Solution

The fourth proportional to 25,643.07, 38,464.65 and 10,649.97 is: 15,974.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,643.07 : 38,464.65 = 10,649.97 : x
  2. Step 2: Convert to fraction form
    25,643.07/38,464.65 = 10,649.97/x
  3. Step 3: Cross multiply
    25,643.07x = 38,464.65 × 10,649.97
  4. Step 4: Simplify right side
    25,643.07x = 409,647,368.56
  5. Step 5: Solve for x
    x = 409,647,368.56/25,643.07
  6. Step 6: Final answer
    x = 15,974.97

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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.