Home / 19,851.06-27,394.80-10,899.42

Finding the Fourth Proportional to 19,851.06, 27,394.80 and 10,899.42

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Solution

The fourth proportional to 19,851.06, 27,394.80 and 10,899.42 is: 15,041.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.06 : 27,394.80 = 10,899.42 : x
  2. Step 2: Convert to fraction form
    19,851.06/27,394.80 = 10,899.42/x
  3. Step 3: Cross multiply
    19,851.06x = 27,394.80 × 10,899.42
  4. Step 4: Simplify right side
    19,851.06x = 298,587,431.02
  5. Step 5: Solve for x
    x = 298,587,431.02/19,851.06
  6. Step 6: Final answer
    x = 15,041.38

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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.