Home / 19,862.87-27,409.41-10,910.75

Finding the Fourth Proportional to 19,862.87, 27,409.41 and 10,910.75

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Solution

The fourth proportional to 19,862.87, 27,409.41 and 10,910.75 is: 15,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.87 : 27,409.41 = 10,910.75 : x
  2. Step 2: Convert to fraction form
    19,862.87/27,409.41 = 10,910.75/x
  3. Step 3: Cross multiply
    19,862.87x = 27,409.41 × 10,910.75
  4. Step 4: Simplify right side
    19,862.87x = 299,057,267.97
  5. Step 5: Solve for x
    x = 299,057,267.97/19,862.87
  6. Step 6: Final answer
    x = 15,056.10

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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.