Home / 16,492.60-22,760.66-9,420.44

Finding the Fourth Proportional to 16,492.60, 22,760.66 and 9,420.44

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Solution

The fourth proportional to 16,492.60, 22,760.66 and 9,420.44 is: 13,000.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,492.60 : 22,760.66 = 9,420.44 : x
  2. Step 2: Convert to fraction form
    16,492.60/22,760.66 = 9,420.44/x
  3. Step 3: Cross multiply
    16,492.60x = 22,760.66 × 9,420.44
  4. Step 4: Simplify right side
    16,492.60x = 214,415,431.89
  5. Step 5: Solve for x
    x = 214,415,431.89/16,492.60
  6. Step 6: Final answer
    x = 13,000.71

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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.