Home / 16,874.99-23,287.65-9,321.50

Finding the Fourth Proportional to 16,874.99, 23,287.65 and 9,321.50

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Solution

The fourth proportional to 16,874.99, 23,287.65 and 9,321.50 is: 12,863.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,874.99 : 23,287.65 = 9,321.50 : x
  2. Step 2: Convert to fraction form
    16,874.99/23,287.65 = 9,321.50/x
  3. Step 3: Cross multiply
    16,874.99x = 23,287.65 × 9,321.50
  4. Step 4: Simplify right side
    16,874.99x = 217,075,713.04
  5. Step 5: Solve for x
    x = 217,075,713.04/16,874.99
  6. Step 6: Final answer
    x = 12,863.76

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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.