Home / 16,943.58-23,380.77-9,390.24

Finding the Fourth Proportional to 16,943.58, 23,380.77 and 9,390.24

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Solution

The fourth proportional to 16,943.58, 23,380.77 and 9,390.24 is: 12,957.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.58 : 23,380.77 = 9,390.24 : x
  2. Step 2: Convert to fraction form
    16,943.58/23,380.77 = 9,390.24/x
  3. Step 3: Cross multiply
    16,943.58x = 23,380.77 × 9,390.24
  4. Step 4: Simplify right side
    16,943.58x = 219,551,041.68
  5. Step 5: Solve for x
    x = 219,551,041.68/16,943.58
  6. Step 6: Final answer
    x = 12,957.77

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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.