Home / 19,875.99-27,429.24-10,922.97

Finding the Fourth Proportional to 19,875.99, 27,429.24 and 10,922.97

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Solution

The fourth proportional to 19,875.99, 27,429.24 and 10,922.97 is: 15,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.99 : 27,429.24 = 10,922.97 : x
  2. Step 2: Convert to fraction form
    19,875.99/27,429.24 = 10,922.97/x
  3. Step 3: Cross multiply
    19,875.99x = 27,429.24 × 10,922.97
  4. Step 4: Simplify right side
    19,875.99x = 299,608,765.64
  5. Step 5: Solve for x
    x = 299,608,765.64/19,875.99
  6. Step 6: Final answer
    x = 15,073.90

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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.