Home / 19,558.80-29,195.10-16,803.18

Finding the Fourth Proportional to 19,558.80, 29,195.10 and 16,803.18

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Solution

The fourth proportional to 19,558.80, 29,195.10 and 16,803.18 is: 25,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.80 : 29,195.10 = 16,803.18 : x
  2. Step 2: Convert to fraction form
    19,558.80/29,195.10 = 16,803.18/x
  3. Step 3: Cross multiply
    19,558.80x = 29,195.10 × 16,803.18
  4. Step 4: Simplify right side
    19,558.80x = 490,570,520.42
  5. Step 5: Solve for x
    x = 490,570,520.42/19,558.80
  6. Step 6: Final answer
    x = 25,081.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.