Home / 19,911.27-29,885.37-10,057.49

Finding the Fourth Proportional to 19,911.27, 29,885.37 and 10,057.49

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Solution

The fourth proportional to 19,911.27, 29,885.37 and 10,057.49 is: 15,095.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.27 : 29,885.37 = 10,057.49 : x
  2. Step 2: Convert to fraction form
    19,911.27/29,885.37 = 10,057.49/x
  3. Step 3: Cross multiply
    19,911.27x = 29,885.37 × 10,057.49
  4. Step 4: Simplify right side
    19,911.27x = 300,571,809.92
  5. Step 5: Solve for x
    x = 300,571,809.92/19,911.27
  6. Step 6: Final answer
    x = 15,095.56

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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.