Home / 16,900.02-23,321.10-9,345.92

Finding the Fourth Proportional to 16,900.02, 23,321.10 and 9,345.92

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Solution

The fourth proportional to 16,900.02, 23,321.10 and 9,345.92 is: 12,896.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,900.02 : 23,321.10 = 9,345.92 : x
  2. Step 2: Convert to fraction form
    16,900.02/23,321.10 = 9,345.92/x
  3. Step 3: Cross multiply
    16,900.02x = 23,321.10 × 9,345.92
  4. Step 4: Simplify right side
    16,900.02x = 217,957,134.91
  5. Step 5: Solve for x
    x = 217,957,134.91/16,900.02
  6. Step 6: Final answer
    x = 12,896.86

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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.