Home / 19,790.71-27,311.23-10,716.17

Finding the Fourth Proportional to 19,790.71, 27,311.23 and 10,716.17

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Solution

The fourth proportional to 19,790.71, 27,311.23 and 10,716.17 is: 14,788.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.71 : 27,311.23 = 10,716.17 : x
  2. Step 2: Convert to fraction form
    19,790.71/27,311.23 = 10,716.17/x
  3. Step 3: Cross multiply
    19,790.71x = 27,311.23 × 10,716.17
  4. Step 4: Simplify right side
    19,790.71x = 292,671,830.59
  5. Step 5: Solve for x
    x = 292,671,830.59/19,790.71
  6. Step 6: Final answer
    x = 14,788.34

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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.