Home / 19,959.60-29,931.16-6,813.03

Finding the Fourth Proportional to 19,959.60, 29,931.16 and 6,813.03

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Solution

The fourth proportional to 19,959.60, 29,931.16 and 6,813.03 is: 10,216.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.60 : 29,931.16 = 6,813.03 : x
  2. Step 2: Convert to fraction form
    19,959.60/29,931.16 = 6,813.03/x
  3. Step 3: Cross multiply
    19,959.60x = 29,931.16 × 6,813.03
  4. Step 4: Simplify right side
    19,959.60x = 203,921,724.33
  5. Step 5: Solve for x
    x = 203,921,724.33/19,959.60
  6. Step 6: Final answer
    x = 10,216.73

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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.