Home / 16,109.52-24,164.64-12,829.20

Finding the Fourth Proportional to 16,109.52, 24,164.64 and 12,829.20

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Solution

The fourth proportional to 16,109.52, 24,164.64 and 12,829.20 is: 19,244.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,109.52 : 24,164.64 = 12,829.20 : x
  2. Step 2: Convert to fraction form
    16,109.52/24,164.64 = 12,829.20/x
  3. Step 3: Cross multiply
    16,109.52x = 24,164.64 × 12,829.20
  4. Step 4: Simplify right side
    16,109.52x = 310,012,999.49
  5. Step 5: Solve for x
    x = 310,012,999.49/16,109.52
  6. Step 6: Final answer
    x = 19,244.09

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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.