Home / 19,863.40-27,410.14-10,911.52

Finding the Fourth Proportional to 19,863.40, 27,410.14 and 10,911.52

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Solution

The fourth proportional to 19,863.40, 27,410.14 and 10,911.52 is: 15,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.40 : 27,410.14 = 10,911.52 : x
  2. Step 2: Convert to fraction form
    19,863.40/27,410.14 = 10,911.52/x
  3. Step 3: Cross multiply
    19,863.40x = 27,410.14 × 10,911.52
  4. Step 4: Simplify right side
    19,863.40x = 299,086,290.81
  5. Step 5: Solve for x
    x = 299,086,290.81/19,863.40
  6. Step 6: Final answer
    x = 15,057.15

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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.