Home / 19,769.25-27,281.91-10,817.54

Finding the Fourth Proportional to 19,769.25, 27,281.91 and 10,817.54

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Solution

The fourth proportional to 19,769.25, 27,281.91 and 10,817.54 is: 14,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.25 : 27,281.91 = 10,817.54 : x
  2. Step 2: Convert to fraction form
    19,769.25/27,281.91 = 10,817.54/x
  3. Step 3: Cross multiply
    19,769.25x = 27,281.91 × 10,817.54
  4. Step 4: Simplify right side
    19,769.25x = 295,123,152.70
  5. Step 5: Solve for x
    x = 295,123,152.70/19,769.25
  6. Step 6: Final answer
    x = 14,928.39

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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.