Home / 19,616.02-29,380.98-18,079.66

Finding the Fourth Proportional to 19,616.02, 29,380.98 and 18,079.66

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Solution

The fourth proportional to 19,616.02, 29,380.98 and 18,079.66 is: 27,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.02 : 29,380.98 = 18,079.66 : x
  2. Step 2: Convert to fraction form
    19,616.02/29,380.98 = 18,079.66/x
  3. Step 3: Cross multiply
    19,616.02x = 29,380.98 × 18,079.66
  4. Step 4: Simplify right side
    19,616.02x = 531,197,966.43
  5. Step 5: Solve for x
    x = 531,197,966.43/19,616.02
  6. Step 6: Final answer
    x = 27,079.80

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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.