Home / 19,769.20-27,281.03-10,816.77

Finding the Fourth Proportional to 19,769.20, 27,281.03 and 10,816.77

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Solution

The fourth proportional to 19,769.20, 27,281.03 and 10,816.77 is: 14,926.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.20 : 27,281.03 = 10,816.77 : x
  2. Step 2: Convert to fraction form
    19,769.20/27,281.03 = 10,816.77/x
  3. Step 3: Cross multiply
    19,769.20x = 27,281.03 × 10,816.77
  4. Step 4: Simplify right side
    19,769.20x = 295,092,572.79
  5. Step 5: Solve for x
    x = 295,092,572.79/19,769.20
  6. Step 6: Final answer
    x = 14,926.89

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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.