Home / 21,924.34-32,891.38-6,340.78

Finding the Fourth Proportional to 21,924.34, 32,891.38 and 6,340.78

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Solution

The fourth proportional to 21,924.34, 32,891.38 and 6,340.78 is: 9,512.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.34 : 32,891.38 = 6,340.78 : x
  2. Step 2: Convert to fraction form
    21,924.34/32,891.38 = 6,340.78/x
  3. Step 3: Cross multiply
    21,924.34x = 32,891.38 × 6,340.78
  4. Step 4: Simplify right side
    21,924.34x = 208,557,004.48
  5. Step 5: Solve for x
    x = 208,557,004.48/21,924.34
  6. Step 6: Final answer
    x = 9,512.58

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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.