Home / 14,995.80-20,694.23-8,281.71

Finding the Fourth Proportional to 14,995.80, 20,694.23 and 8,281.71

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Solution

The fourth proportional to 14,995.80, 20,694.23 and 8,281.71 is: 11,428.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,995.80 : 20,694.23 = 8,281.71 : x
  2. Step 2: Convert to fraction form
    14,995.80/20,694.23 = 8,281.71/x
  3. Step 3: Cross multiply
    14,995.80x = 20,694.23 × 8,281.71
  4. Step 4: Simplify right side
    14,995.80x = 171,383,570.12
  5. Step 5: Solve for x
    x = 171,383,570.12/14,995.80
  6. Step 6: Final answer
    x = 11,428.77

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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.