Home / 16,239.96-22,404.60-9,864.16

Finding the Fourth Proportional to 16,239.96, 22,404.60 and 9,864.16

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Solution

The fourth proportional to 16,239.96, 22,404.60 and 9,864.16 is: 13,608.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,239.96 : 22,404.60 = 9,864.16 : x
  2. Step 2: Convert to fraction form
    16,239.96/22,404.60 = 9,864.16/x
  3. Step 3: Cross multiply
    16,239.96x = 22,404.60 × 9,864.16
  4. Step 4: Simplify right side
    16,239.96x = 221,002,559.14
  5. Step 5: Solve for x
    x = 221,002,559.14/16,239.96
  6. Step 6: Final answer
    x = 13,608.57

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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.