Home / 16,700.90-23,049.77-9,530.78

Finding the Fourth Proportional to 16,700.90, 23,049.77 and 9,530.78

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Solution

The fourth proportional to 16,700.90, 23,049.77 and 9,530.78 is: 13,153.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,700.90 : 23,049.77 = 9,530.78 : x
  2. Step 2: Convert to fraction form
    16,700.90/23,049.77 = 9,530.78/x
  3. Step 3: Cross multiply
    16,700.90x = 23,049.77 × 9,530.78
  4. Step 4: Simplify right side
    16,700.90x = 219,682,124.02
  5. Step 5: Solve for x
    x = 219,682,124.02/16,700.90
  6. Step 6: Final answer
    x = 13,153.91

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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.