Home / 16,318.08-24,469.56-13,190.40

Finding the Fourth Proportional to 16,318.08, 24,469.56 and 13,190.40

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Solution

The fourth proportional to 16,318.08, 24,469.56 and 13,190.40 is: 19,779.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,318.08 : 24,469.56 = 13,190.40 : x
  2. Step 2: Convert to fraction form
    16,318.08/24,469.56 = 13,190.40/x
  3. Step 3: Cross multiply
    16,318.08x = 24,469.56 × 13,190.40
  4. Step 4: Simplify right side
    16,318.08x = 322,763,284.22
  5. Step 5: Solve for x
    x = 322,763,284.22/16,318.08
  6. Step 6: Final answer
    x = 19,779.49

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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.