Home / 19,863.90-27,410.55-10,910.94

Finding the Fourth Proportional to 19,863.90, 27,410.55 and 10,910.94

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Solution

The fourth proportional to 19,863.90, 27,410.55 and 10,910.94 is: 15,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.90 : 27,410.55 = 10,910.94 : x
  2. Step 2: Convert to fraction form
    19,863.90/27,410.55 = 10,910.94/x
  3. Step 3: Cross multiply
    19,863.90x = 27,410.55 × 10,910.94
  4. Step 4: Simplify right side
    19,863.90x = 299,074,866.42
  5. Step 5: Solve for x
    x = 299,074,866.42/19,863.90
  6. Step 6: Final answer
    x = 15,056.20

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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.