Home / 25,378.94-38,068.66-11,339.68

Finding the Fourth Proportional to 25,378.94, 38,068.66 and 11,339.68

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Solution

The fourth proportional to 25,378.94, 38,068.66 and 11,339.68 is: 17,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.94 : 38,068.66 = 11,339.68 : x
  2. Step 2: Convert to fraction form
    25,378.94/38,068.66 = 11,339.68/x
  3. Step 3: Cross multiply
    25,378.94x = 38,068.66 × 11,339.68
  4. Step 4: Simplify right side
    25,378.94x = 431,686,422.43
  5. Step 5: Solve for x
    x = 431,686,422.43/25,378.94
  6. Step 6: Final answer
    x = 17,009.63

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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.