Home / 21,816.03-32,727.12-7,773.05

Finding the Fourth Proportional to 21,816.03, 32,727.12 and 7,773.05

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Solution

The fourth proportional to 21,816.03, 32,727.12 and 7,773.05 is: 11,660.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,816.03 : 32,727.12 = 7,773.05 : x
  2. Step 2: Convert to fraction form
    21,816.03/32,727.12 = 7,773.05/x
  3. Step 3: Cross multiply
    21,816.03x = 32,727.12 × 7,773.05
  4. Step 4: Simplify right side
    21,816.03x = 254,389,376.48
  5. Step 5: Solve for x
    x = 254,389,376.48/21,816.03
  6. Step 6: Final answer
    x = 11,660.66

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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.