Home / 19,951.24-27,532.16-10,998.74

Finding the Fourth Proportional to 19,951.24, 27,532.16 and 10,998.74

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Solution

The fourth proportional to 19,951.24, 27,532.16 and 10,998.74 is: 15,177.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.24 : 27,532.16 = 10,998.74 : x
  2. Step 2: Convert to fraction form
    19,951.24/27,532.16 = 10,998.74/x
  3. Step 3: Cross multiply
    19,951.24x = 27,532.16 × 10,998.74
  4. Step 4: Simplify right side
    19,951.24x = 302,819,014.48
  5. Step 5: Solve for x
    x = 302,819,014.48/19,951.24
  6. Step 6: Final answer
    x = 15,177.96

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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.