Home / 19,799.61-29,703.36-6,651.48

Finding the Fourth Proportional to 19,799.61, 29,703.36 and 6,651.48

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Solution

The fourth proportional to 19,799.61, 29,703.36 and 6,651.48 is: 9,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,799.61 : 29,703.36 = 6,651.48 : x
  2. Step 2: Convert to fraction form
    19,799.61/29,703.36 = 6,651.48/x
  3. Step 3: Cross multiply
    19,799.61x = 29,703.36 × 6,651.48
  4. Step 4: Simplify right side
    19,799.61x = 197,571,304.97
  5. Step 5: Solve for x
    x = 197,571,304.97/19,799.61
  6. Step 6: Final answer
    x = 9,978.55

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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.