Home / 19,614.56-29,423.66-11,278.44

Finding the Fourth Proportional to 19,614.56, 29,423.66 and 11,278.44

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Solution

The fourth proportional to 19,614.56, 29,423.66 and 11,278.44 is: 16,918.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,614.56 : 29,423.66 = 11,278.44 : x
  2. Step 2: Convert to fraction form
    19,614.56/29,423.66 = 11,278.44/x
  3. Step 3: Cross multiply
    19,614.56x = 29,423.66 × 11,278.44
  4. Step 4: Simplify right side
    19,614.56x = 331,852,927.50
  5. Step 5: Solve for x
    x = 331,852,927.50/19,614.56
  6. Step 6: Final answer
    x = 16,918.71

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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.