Home / 25,764.42-38,642.04-11,721.16

Finding the Fourth Proportional to 25,764.42, 38,642.04 and 11,721.16

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Solution

The fourth proportional to 25,764.42, 38,642.04 and 11,721.16 is: 17,579.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,764.42 : 38,642.04 = 11,721.16 : x
  2. Step 2: Convert to fraction form
    25,764.42/38,642.04 = 11,721.16/x
  3. Step 3: Cross multiply
    25,764.42x = 38,642.04 × 11,721.16
  4. Step 4: Simplify right side
    25,764.42x = 452,929,533.57
  5. Step 5: Solve for x
    x = 452,929,533.57/25,764.42
  6. Step 6: Final answer
    x = 17,579.65

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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.