Home / 19,932.89-29,900.04-6,783.55

Finding the Fourth Proportional to 19,932.89, 29,900.04 and 6,783.55

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Solution

The fourth proportional to 19,932.89, 29,900.04 and 6,783.55 is: 10,175.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.89 : 29,900.04 = 6,783.55 : x
  2. Step 2: Convert to fraction form
    19,932.89/29,900.04 = 6,783.55/x
  3. Step 3: Cross multiply
    19,932.89x = 29,900.04 × 6,783.55
  4. Step 4: Simplify right side
    19,932.89x = 202,828,316.15
  5. Step 5: Solve for x
    x = 202,828,316.15/19,932.89
  6. Step 6: Final answer
    x = 10,175.56

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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.