Home / 12,722.06-19,075.77-10,654.94

Finding the Fourth Proportional to 12,722.06, 19,075.77 and 10,654.94

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Solution

The fourth proportional to 12,722.06, 19,075.77 and 10,654.94 is: 15,976.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.06 : 19,075.77 = 10,654.94 : x
  2. Step 2: Convert to fraction form
    12,722.06/19,075.77 = 10,654.94/x
  3. Step 3: Cross multiply
    12,722.06x = 19,075.77 × 10,654.94
  4. Step 4: Simplify right side
    12,722.06x = 203,251,184.80
  5. Step 5: Solve for x
    x = 203,251,184.80/12,722.06
  6. Step 6: Final answer
    x = 15,976.28

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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.