Home / 14,217.76-19,620.57-7,844.42

Finding the Fourth Proportional to 14,217.76, 19,620.57 and 7,844.42

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Solution

The fourth proportional to 14,217.76, 19,620.57 and 7,844.42 is: 10,825.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.76 : 19,620.57 = 7,844.42 : x
  2. Step 2: Convert to fraction form
    14,217.76/19,620.57 = 7,844.42/x
  3. Step 3: Cross multiply
    14,217.76x = 19,620.57 × 7,844.42
  4. Step 4: Simplify right side
    14,217.76x = 153,911,991.72
  5. Step 5: Solve for x
    x = 153,911,991.72/14,217.76
  6. Step 6: Final answer
    x = 10,825.34

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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.