Home / 19,862.09-27,410.02-10,909.97

Finding the Fourth Proportional to 19,862.09, 27,410.02 and 10,909.97

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Solution

The fourth proportional to 19,862.09, 27,410.02 and 10,909.97 is: 15,055.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.09 : 27,410.02 = 10,909.97 : x
  2. Step 2: Convert to fraction form
    19,862.09/27,410.02 = 10,909.97/x
  3. Step 3: Cross multiply
    19,862.09x = 27,410.02 × 10,909.97
  4. Step 4: Simplify right side
    19,862.09x = 299,042,495.90
  5. Step 5: Solve for x
    x = 299,042,495.90/19,862.09
  6. Step 6: Final answer
    x = 15,055.94

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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.