Home / 19,862.36-27,408.70-10,910.24

Finding the Fourth Proportional to 19,862.36, 27,408.70 and 10,910.24

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Solution

The fourth proportional to 19,862.36, 27,408.70 and 10,910.24 is: 15,055.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.36 : 27,408.70 = 10,910.24 : x
  2. Step 2: Convert to fraction form
    19,862.36/27,408.70 = 10,910.24/x
  3. Step 3: Cross multiply
    19,862.36x = 27,408.70 × 10,910.24
  4. Step 4: Simplify right side
    19,862.36x = 299,035,330.77
  5. Step 5: Solve for x
    x = 299,035,330.77/19,862.36
  6. Step 6: Final answer
    x = 15,055.38

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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.