Home / 19,701.65-27,166.19-16,105.43

Finding the Fourth Proportional to 19,701.65, 27,166.19 and 16,105.43

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Solution

The fourth proportional to 19,701.65, 27,166.19 and 16,105.43 is: 22,207.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.65 : 27,166.19 = 16,105.43 : x
  2. Step 2: Convert to fraction form
    19,701.65/27,166.19 = 16,105.43/x
  3. Step 3: Cross multiply
    19,701.65x = 27,166.19 × 16,105.43
  4. Step 4: Simplify right side
    19,701.65x = 437,523,075.84
  5. Step 5: Solve for x
    x = 437,523,075.84/19,701.65
  6. Step 6: Final answer
    x = 22,207.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.