Home / 17,910.17-26,869.81-10,520.88

Finding the Fourth Proportional to 17,910.17, 26,869.81 and 10,520.88

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Solution

The fourth proportional to 17,910.17, 26,869.81 and 10,520.88 is: 15,784.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,910.17 : 26,869.81 = 10,520.88 : x
  2. Step 2: Convert to fraction form
    17,910.17/26,869.81 = 10,520.88/x
  3. Step 3: Cross multiply
    17,910.17x = 26,869.81 × 10,520.88
  4. Step 4: Simplify right side
    17,910.17x = 282,694,046.63
  5. Step 5: Solve for x
    x = 282,694,046.63/17,910.17
  6. Step 6: Final answer
    x = 15,784.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.