Home / 19,782.05-27,299.18-10,829.48

Finding the Fourth Proportional to 19,782.05, 27,299.18 and 10,829.48

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Solution

The fourth proportional to 19,782.05, 27,299.18 and 10,829.48 is: 14,944.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782.05 : 27,299.18 = 10,829.48 : x
  2. Step 2: Convert to fraction form
    19,782.05/27,299.18 = 10,829.48/x
  3. Step 3: Cross multiply
    19,782.05x = 27,299.18 × 10,829.48
  4. Step 4: Simplify right side
    19,782.05x = 295,635,814.40
  5. Step 5: Solve for x
    x = 295,635,814.40/19,782.05
  6. Step 6: Final answer
    x = 14,944.65

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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.