Home / 16,408.50-22,644.96-9,337.20

Finding the Fourth Proportional to 16,408.50, 22,644.96 and 9,337.20

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Solution

The fourth proportional to 16,408.50, 22,644.96 and 9,337.20 is: 12,886.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,408.50 : 22,644.96 = 9,337.20 : x
  2. Step 2: Convert to fraction form
    16,408.50/22,644.96 = 9,337.20/x
  3. Step 3: Cross multiply
    16,408.50x = 22,644.96 × 9,337.20
  4. Step 4: Simplify right side
    16,408.50x = 211,440,520.51
  5. Step 5: Solve for x
    x = 211,440,520.51/16,408.50
  6. Step 6: Final answer
    x = 12,886.04

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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.