Home / 16,247.79-22,420.80-9,533.70

Finding the Fourth Proportional to 16,247.79, 22,420.80 and 9,533.70

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Solution

The fourth proportional to 16,247.79, 22,420.80 and 9,533.70 is: 13,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,247.79 : 22,420.80 = 9,533.70 : x
  2. Step 2: Convert to fraction form
    16,247.79/22,420.80 = 9,533.70/x
  3. Step 3: Cross multiply
    16,247.79x = 22,420.80 × 9,533.70
  4. Step 4: Simplify right side
    16,247.79x = 213,753,180.96
  5. Step 5: Solve for x
    x = 213,753,180.96/16,247.79
  6. Step 6: Final answer
    x = 13,155.83

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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.