Home / 16,994.99-23,453.24-9,920.04

Finding the Fourth Proportional to 16,994.99, 23,453.24 and 9,920.04

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Solution

The fourth proportional to 16,994.99, 23,453.24 and 9,920.04 is: 13,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,994.99 : 23,453.24 = 9,920.04 : x
  2. Step 2: Convert to fraction form
    16,994.99/23,453.24 = 9,920.04/x
  3. Step 3: Cross multiply
    16,994.99x = 23,453.24 × 9,920.04
  4. Step 4: Simplify right side
    16,994.99x = 232,657,078.93
  5. Step 5: Solve for x
    x = 232,657,078.93/16,994.99
  6. Step 6: Final answer
    x = 13,689.74

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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.