Home / 22,866.17-34,213.48-18,919.31

Finding the Fourth Proportional to 22,866.17, 34,213.48 and 18,919.31

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Solution

The fourth proportional to 22,866.17, 34,213.48 and 18,919.31 is: 28,307.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,866.17 : 34,213.48 = 18,919.31 : x
  2. Step 2: Convert to fraction form
    22,866.17/34,213.48 = 18,919.31/x
  3. Step 3: Cross multiply
    22,866.17x = 34,213.48 × 18,919.31
  4. Step 4: Simplify right side
    22,866.17x = 647,295,215.93
  5. Step 5: Solve for x
    x = 647,295,215.93/22,866.17
  6. Step 6: Final answer
    x = 28,307.99

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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.