Home / 22,644.08-33,967.20-12,109.76

Finding the Fourth Proportional to 22,644.08, 33,967.20 and 12,109.76

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Solution

The fourth proportional to 22,644.08, 33,967.20 and 12,109.76 is: 18,165.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,644.08 : 33,967.20 = 12,109.76 : x
  2. Step 2: Convert to fraction form
    22,644.08/33,967.20 = 12,109.76/x
  3. Step 3: Cross multiply
    22,644.08x = 33,967.20 × 12,109.76
  4. Step 4: Simplify right side
    22,644.08x = 411,334,639.87
  5. Step 5: Solve for x
    x = 411,334,639.87/22,644.08
  6. Step 6: Final answer
    x = 18,165.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.