Home / 19,921.68-29,873.88-6,770.52

Finding the Fourth Proportional to 19,921.68, 29,873.88 and 6,770.52

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Solution

The fourth proportional to 19,921.68, 29,873.88 and 6,770.52 is: 10,152.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,921.68 : 29,873.88 = 6,770.52 : x
  2. Step 2: Convert to fraction form
    19,921.68/29,873.88 = 6,770.52/x
  3. Step 3: Cross multiply
    19,921.68x = 29,873.88 × 6,770.52
  4. Step 4: Simplify right side
    19,921.68x = 202,261,702.02
  5. Step 5: Solve for x
    x = 202,261,702.02/19,921.68
  6. Step 6: Final answer
    x = 10,152.84

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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.