Home / 19,862.40-27,408.76-10,910.52

Finding the Fourth Proportional to 19,862.40, 27,408.76 and 10,910.52

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Solution

The fourth proportional to 19,862.40, 27,408.76 and 10,910.52 is: 15,055.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.40 : 27,408.76 = 10,910.52 : x
  2. Step 2: Convert to fraction form
    19,862.40/27,408.76 = 10,910.52/x
  3. Step 3: Cross multiply
    19,862.40x = 27,408.76 × 10,910.52
  4. Step 4: Simplify right side
    19,862.40x = 299,043,824.16
  5. Step 5: Solve for x
    x = 299,043,824.16/19,862.40
  6. Step 6: Final answer
    x = 15,055.77

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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.