Home / 19,873.95-29,809.10-6,724.81

Finding the Fourth Proportional to 19,873.95, 29,809.10 and 6,724.81

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Solution

The fourth proportional to 19,873.95, 29,809.10 and 6,724.81 is: 10,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,873.95 : 29,809.10 = 6,724.81 : x
  2. Step 2: Convert to fraction form
    19,873.95/29,809.10 = 6,724.81/x
  3. Step 3: Cross multiply
    19,873.95x = 29,809.10 × 6,724.81
  4. Step 4: Simplify right side
    19,873.95x = 200,460,500.15
  5. Step 5: Solve for x
    x = 200,460,500.15/19,873.95
  6. Step 6: Final answer
    x = 10,086.60

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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.