Home / 16,090.71-22,206.41-9,285.95

Finding the Fourth Proportional to 16,090.71, 22,206.41 and 9,285.95

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Solution

The fourth proportional to 16,090.71, 22,206.41 and 9,285.95 is: 12,815.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,090.71 : 22,206.41 = 9,285.95 : x
  2. Step 2: Convert to fraction form
    16,090.71/22,206.41 = 9,285.95/x
  3. Step 3: Cross multiply
    16,090.71x = 22,206.41 × 9,285.95
  4. Step 4: Simplify right side
    16,090.71x = 206,207,455.48
  5. Step 5: Solve for x
    x = 206,207,455.48/16,090.71
  6. Step 6: Final answer
    x = 12,815.31

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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.