Home / 19,769.21-27,281.26-10,816.59

Finding the Fourth Proportional to 19,769.21, 27,281.26 and 10,816.59

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Solution

The fourth proportional to 19,769.21, 27,281.26 and 10,816.59 is: 14,926.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.21 : 27,281.26 = 10,816.59 : x
  2. Step 2: Convert to fraction form
    19,769.21/27,281.26 = 10,816.59/x
  3. Step 3: Cross multiply
    19,769.21x = 27,281.26 × 10,816.59
  4. Step 4: Simplify right side
    19,769.21x = 295,090,105.63
  5. Step 5: Solve for x
    x = 295,090,105.63/19,769.21
  6. Step 6: Final answer
    x = 14,926.75

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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.