Home / 16,408.34-22,643.38-9,334.76

Finding the Fourth Proportional to 16,408.34, 22,643.38 and 9,334.76

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Solution

The fourth proportional to 16,408.34, 22,643.38 and 9,334.76 is: 12,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,408.34 : 22,643.38 = 9,334.76 : x
  2. Step 2: Convert to fraction form
    16,408.34/22,643.38 = 9,334.76/x
  3. Step 3: Cross multiply
    16,408.34x = 22,643.38 × 9,334.76
  4. Step 4: Simplify right side
    16,408.34x = 211,370,517.89
  5. Step 5: Solve for x
    x = 211,370,517.89/16,408.34
  6. Step 6: Final answer
    x = 12,881.90

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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.