Home / 16,690.43-23,032.68-9,616.70

Finding the Fourth Proportional to 16,690.43, 23,032.68 and 9,616.70

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Solution

The fourth proportional to 16,690.43, 23,032.68 and 9,616.70 is: 13,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690.43 : 23,032.68 = 9,616.70 : x
  2. Step 2: Convert to fraction form
    16,690.43/23,032.68 = 9,616.70/x
  3. Step 3: Cross multiply
    16,690.43x = 23,032.68 × 9,616.70
  4. Step 4: Simplify right side
    16,690.43x = 221,498,373.76
  5. Step 5: Solve for x
    x = 221,498,373.76/16,690.43
  6. Step 6: Final answer
    x = 13,270.98

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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.