Home / 19,790.99-27,311.61-10,716.45

Finding the Fourth Proportional to 19,790.99, 27,311.61 and 10,716.45

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Solution

The fourth proportional to 19,790.99, 27,311.61 and 10,716.45 is: 14,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.99 : 27,311.61 = 10,716.45 : x
  2. Step 2: Convert to fraction form
    19,790.99/27,311.61 = 10,716.45/x
  3. Step 3: Cross multiply
    19,790.99x = 27,311.61 × 10,716.45
  4. Step 4: Simplify right side
    19,790.99x = 292,683,671.19
  5. Step 5: Solve for x
    x = 292,683,671.19/19,790.99
  6. Step 6: Final answer
    x = 14,788.73

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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.