Home / 19,729.64-29,587.98-6,578.48

Finding the Fourth Proportional to 19,729.64, 29,587.98 and 6,578.48

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Solution

The fourth proportional to 19,729.64, 29,587.98 and 6,578.48 is: 9,865.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.64 : 29,587.98 = 6,578.48 : x
  2. Step 2: Convert to fraction form
    19,729.64/29,587.98 = 6,578.48/x
  3. Step 3: Cross multiply
    19,729.64x = 29,587.98 × 6,578.48
  4. Step 4: Simplify right side
    19,729.64x = 194,643,934.67
  5. Step 5: Solve for x
    x = 194,643,934.67/19,729.64
  6. Step 6: Final answer
    x = 9,865.56

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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.