Home / 19,491.57-26,897.73-10,993.92

Finding the Fourth Proportional to 19,491.57, 26,897.73 and 10,993.92

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Solution

The fourth proportional to 19,491.57, 26,897.73 and 10,993.92 is: 15,171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,491.57 : 26,897.73 = 10,993.92 : x
  2. Step 2: Convert to fraction form
    19,491.57/26,897.73 = 10,993.92/x
  3. Step 3: Cross multiply
    19,491.57x = 26,897.73 × 10,993.92
  4. Step 4: Simplify right side
    19,491.57x = 295,711,491.80
  5. Step 5: Solve for x
    x = 295,711,491.80/19,491.57
  6. Step 6: Final answer
    x = 15,171.25

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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.