Home / 19,948.30-27,527.56-10,995.09

Finding the Fourth Proportional to 19,948.30, 27,527.56 and 10,995.09

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Solution

The fourth proportional to 19,948.30, 27,527.56 and 10,995.09 is: 15,172.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.30 : 27,527.56 = 10,995.09 : x
  2. Step 2: Convert to fraction form
    19,948.30/27,527.56 = 10,995.09/x
  3. Step 3: Cross multiply
    19,948.30x = 27,527.56 × 10,995.09
  4. Step 4: Simplify right side
    19,948.30x = 302,667,999.68
  5. Step 5: Solve for x
    x = 302,667,999.68/19,948.30
  6. Step 6: Final answer
    x = 15,172.63

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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.