Home / 19,862.85-27,410.91-10,910.55

Finding the Fourth Proportional to 19,862.85, 27,410.91 and 10,910.55

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Solution

The fourth proportional to 19,862.85, 27,410.91 and 10,910.55 is: 15,056.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.85 : 27,410.91 = 10,910.55 : x
  2. Step 2: Convert to fraction form
    19,862.85/27,410.91 = 10,910.55/x
  3. Step 3: Cross multiply
    19,862.85x = 27,410.91 × 10,910.55
  4. Step 4: Simplify right side
    19,862.85x = 299,068,104.10
  5. Step 5: Solve for x
    x = 299,068,104.10/19,862.85
  6. Step 6: Final answer
    x = 15,056.66

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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.