Home / 16,362.90-22,580.91-9,289.44

Finding the Fourth Proportional to 16,362.90, 22,580.91 and 9,289.44

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Solution

The fourth proportional to 16,362.90, 22,580.91 and 9,289.44 is: 12,819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,362.90 : 22,580.91 = 9,289.44 : x
  2. Step 2: Convert to fraction form
    16,362.90/22,580.91 = 9,289.44/x
  3. Step 3: Cross multiply
    16,362.90x = 22,580.91 × 9,289.44
  4. Step 4: Simplify right side
    16,362.90x = 209,764,008.59
  5. Step 5: Solve for x
    x = 209,764,008.59/16,362.90
  6. Step 6: Final answer
    x = 12,819.49

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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.