Home / 16,910.40-23,345.73-10,197.72

Finding the Fourth Proportional to 16,910.40, 23,345.73 and 10,197.72

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Solution

The fourth proportional to 16,910.40, 23,345.73 and 10,197.72 is: 14,078.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,910.40 : 23,345.73 = 10,197.72 : x
  2. Step 2: Convert to fraction form
    16,910.40/23,345.73 = 10,197.72/x
  3. Step 3: Cross multiply
    16,910.40x = 23,345.73 × 10,197.72
  4. Step 4: Simplify right side
    16,910.40x = 238,073,276.10
  5. Step 5: Solve for x
    x = 238,073,276.10/16,910.40
  6. Step 6: Final answer
    x = 14,078.52

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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.