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Finding the Fourth Proportional to 16,101.60, 24,152.40 and 13,331.40

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Solution

The fourth proportional to 16,101.60, 24,152.40 and 13,331.40 is: 19,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,101.60 : 24,152.40 = 13,331.40 : x
  2. Step 2: Convert to fraction form
    16,101.60/24,152.40 = 13,331.40/x
  3. Step 3: Cross multiply
    16,101.60x = 24,152.40 × 13,331.40
  4. Step 4: Simplify right side
    16,101.60x = 321,985,305.36
  5. Step 5: Solve for x
    x = 321,985,305.36/16,101.60
  6. Step 6: Final answer
    x = 19,997.10

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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.