Home / 16,398.75-22,628.20-9,325.32

Finding the Fourth Proportional to 16,398.75, 22,628.20 and 9,325.32

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Solution

The fourth proportional to 16,398.75, 22,628.20 and 9,325.32 is: 12,867.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,398.75 : 22,628.20 = 9,325.32 : x
  2. Step 2: Convert to fraction form
    16,398.75/22,628.20 = 9,325.32/x
  3. Step 3: Cross multiply
    16,398.75x = 22,628.20 × 9,325.32
  4. Step 4: Simplify right side
    16,398.75x = 211,015,206.02
  5. Step 5: Solve for x
    x = 211,015,206.02/16,398.75
  6. Step 6: Final answer
    x = 12,867.76

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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.