Home / 19,863.85-27,412.29-10,911.54

Finding the Fourth Proportional to 19,863.85, 27,412.29 and 10,911.54

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Solution

The fourth proportional to 19,863.85, 27,412.29 and 10,911.54 is: 15,058.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.85 : 27,412.29 = 10,911.54 : x
  2. Step 2: Convert to fraction form
    19,863.85/27,412.29 = 10,911.54/x
  3. Step 3: Cross multiply
    19,863.85x = 27,412.29 × 10,911.54
  4. Step 4: Simplify right side
    19,863.85x = 299,110,161.77
  5. Step 5: Solve for x
    x = 299,110,161.77/19,863.85
  6. Step 6: Final answer
    x = 15,058.02

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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.