Home / 19,862.61-27,409.05-10,910.49

Finding the Fourth Proportional to 19,862.61, 27,409.05 and 10,910.49

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Solution

The fourth proportional to 19,862.61, 27,409.05 and 10,910.49 is: 15,055.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.61 : 27,409.05 = 10,910.49 : x
  2. Step 2: Convert to fraction form
    19,862.61/27,409.05 = 10,910.49/x
  3. Step 3: Cross multiply
    19,862.61x = 27,409.05 × 10,910.49
  4. Step 4: Simplify right side
    19,862.61x = 299,046,165.93
  5. Step 5: Solve for x
    x = 299,046,165.93/19,862.61
  6. Step 6: Final answer
    x = 15,055.73

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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.