Home / 14,240.60-19,650.35-7,866.82

Finding the Fourth Proportional to 14,240.60, 19,650.35 and 7,866.82

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Solution

The fourth proportional to 14,240.60, 19,650.35 and 7,866.82 is: 10,855.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.60 : 19,650.35 = 7,866.82 : x
  2. Step 2: Convert to fraction form
    14,240.60/19,650.35 = 7,866.82/x
  3. Step 3: Cross multiply
    14,240.60x = 19,650.35 × 7,866.82
  4. Step 4: Simplify right side
    14,240.60x = 154,585,766.39
  5. Step 5: Solve for x
    x = 154,585,766.39/14,240.60
  6. Step 6: Final answer
    x = 10,855.28

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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.