Home / 23,359.78-34,997.55-12,818.44

Finding the Fourth Proportional to 23,359.78, 34,997.55 and 12,818.44

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Solution

The fourth proportional to 23,359.78, 34,997.55 and 12,818.44 is: 19,204.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,359.78 : 34,997.55 = 12,818.44 : x
  2. Step 2: Convert to fraction form
    23,359.78/34,997.55 = 12,818.44/x
  3. Step 3: Cross multiply
    23,359.78x = 34,997.55 × 12,818.44
  4. Step 4: Simplify right side
    23,359.78x = 448,613,994.82
  5. Step 5: Solve for x
    x = 448,613,994.82/23,359.78
  6. Step 6: Final answer
    x = 19,204.55

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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.