Home / 19,888.84-27,447.31-10,937.03

Finding the Fourth Proportional to 19,888.84, 27,447.31 and 10,937.03

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Solution

The fourth proportional to 19,888.84, 27,447.31 and 10,937.03 is: 15,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.84 : 27,447.31 = 10,937.03 : x
  2. Step 2: Convert to fraction form
    19,888.84/27,447.31 = 10,937.03/x
  3. Step 3: Cross multiply
    19,888.84x = 27,447.31 × 10,937.03
  4. Step 4: Simplify right side
    19,888.84x = 300,191,867.80
  5. Step 5: Solve for x
    x = 300,191,867.80/19,888.84
  6. Step 6: Final answer
    x = 15,093.48

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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.