Home / 19,948.15-29,929.06-6,809.75

Finding the Fourth Proportional to 19,948.15, 29,929.06 and 6,809.75

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Solution

The fourth proportional to 19,948.15, 29,929.06 and 6,809.75 is: 10,216.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.15 : 29,929.06 = 6,809.75 : x
  2. Step 2: Convert to fraction form
    19,948.15/29,929.06 = 6,809.75/x
  3. Step 3: Cross multiply
    19,948.15x = 29,929.06 × 6,809.75
  4. Step 4: Simplify right side
    19,948.15x = 203,809,433.36
  5. Step 5: Solve for x
    x = 203,809,433.36/19,948.15
  6. Step 6: Final answer
    x = 10,216.96

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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.