Home / 12,816.61-19,227.34-4,049.77

Finding the Fourth Proportional to 12,816.61, 19,227.34 and 4,049.77

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Solution

The fourth proportional to 12,816.61, 19,227.34 and 4,049.77 is: 6,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816.61 : 19,227.34 = 4,049.77 : x
  2. Step 2: Convert to fraction form
    12,816.61/19,227.34 = 4,049.77/x
  3. Step 3: Cross multiply
    12,816.61x = 19,227.34 × 4,049.77
  4. Step 4: Simplify right side
    12,816.61x = 77,866,304.71
  5. Step 5: Solve for x
    x = 77,866,304.71/12,816.61
  6. Step 6: Final answer
    x = 6,075.42

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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.