Home / 16,687.71-23,029.37-9,973.62

Finding the Fourth Proportional to 16,687.71, 23,029.37 and 9,973.62

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Solution

The fourth proportional to 16,687.71, 23,029.37 and 9,973.62 is: 13,763.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.71 : 23,029.37 = 9,973.62 : x
  2. Step 2: Convert to fraction form
    16,687.71/23,029.37 = 9,973.62/x
  3. Step 3: Cross multiply
    16,687.71x = 23,029.37 × 9,973.62
  4. Step 4: Simplify right side
    16,687.71x = 229,686,135.35
  5. Step 5: Solve for x
    x = 229,686,135.35/16,687.71
  6. Step 6: Final answer
    x = 13,763.79

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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.