Home / 19,951.09-27,532.69-10,998.92

Finding the Fourth Proportional to 19,951.09, 27,532.69 and 10,998.92

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Solution

The fourth proportional to 19,951.09, 27,532.69 and 10,998.92 is: 15,178.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.09 : 27,532.69 = 10,998.92 : x
  2. Step 2: Convert to fraction form
    19,951.09/27,532.69 = 10,998.92/x
  3. Step 3: Cross multiply
    19,951.09x = 27,532.69 × 10,998.92
  4. Step 4: Simplify right side
    19,951.09x = 302,829,717.03
  5. Step 5: Solve for x
    x = 302,829,717.03/19,951.09
  6. Step 6: Final answer
    x = 15,178.61

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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.