Home / 19,705.46-27,193.41-10,752.78

Finding the Fourth Proportional to 19,705.46, 27,193.41 and 10,752.78

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Solution

The fourth proportional to 19,705.46, 27,193.41 and 10,752.78 is: 14,838.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,705.46 : 27,193.41 = 10,752.78 : x
  2. Step 2: Convert to fraction form
    19,705.46/27,193.41 = 10,752.78/x
  3. Step 3: Cross multiply
    19,705.46x = 27,193.41 × 10,752.78
  4. Step 4: Simplify right side
    19,705.46x = 292,404,755.18
  5. Step 5: Solve for x
    x = 292,404,755.18/19,705.46
  6. Step 6: Final answer
    x = 14,838.77

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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.