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Finding the Fourth Proportional to 16,118.80, 22,250.84 and 15,110.01

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Solution

The fourth proportional to 16,118.80, 22,250.84 and 15,110.01 is: 20,858.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,118.80 : 22,250.84 = 15,110.01 : x
  2. Step 2: Convert to fraction form
    16,118.80/22,250.84 = 15,110.01/x
  3. Step 3: Cross multiply
    16,118.80x = 22,250.84 × 15,110.01
  4. Step 4: Simplify right side
    16,118.80x = 336,210,339.36
  5. Step 5: Solve for x
    x = 336,210,339.36/16,118.80
  6. Step 6: Final answer
    x = 20,858.28

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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.