Home / 13,974.24-19,287.42-8,866.46

Finding the Fourth Proportional to 13,974.24, 19,287.42 and 8,866.46

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Solution

The fourth proportional to 13,974.24, 19,287.42 and 8,866.46 is: 12,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.24 : 19,287.42 = 8,866.46 : x
  2. Step 2: Convert to fraction form
    13,974.24/19,287.42 = 8,866.46/x
  3. Step 3: Cross multiply
    13,974.24x = 19,287.42 × 8,866.46
  4. Step 4: Simplify right side
    13,974.24x = 171,011,137.93
  5. Step 5: Solve for x
    x = 171,011,137.93/13,974.24
  6. Step 6: Final answer
    x = 12,237.60

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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.