Home / 65,940.30-98,898.96-18,544.12

Finding the Fourth Proportional to 65,940.30, 98,898.96 and 18,544.12

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Solution

The fourth proportional to 65,940.30, 98,898.96 and 18,544.12 is: 27,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,940.30 : 98,898.96 = 18,544.12 : x
  2. Step 2: Convert to fraction form
    65,940.30/98,898.96 = 18,544.12/x
  3. Step 3: Cross multiply
    65,940.30x = 98,898.96 × 18,544.12
  4. Step 4: Simplify right side
    65,940.30x = 1,833,994,182.12
  5. Step 5: Solve for x
    x = 1,833,994,182.12/65,940.30
  6. Step 6: Final answer
    x = 27,812.95

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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.