Home / 14,962.14-20,648.22-9,220.86

Finding the Fourth Proportional to 14,962.14, 20,648.22 and 9,220.86

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Solution

The fourth proportional to 14,962.14, 20,648.22 and 9,220.86 is: 12,725.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962.14 : 20,648.22 = 9,220.86 : x
  2. Step 2: Convert to fraction form
    14,962.14/20,648.22 = 9,220.86/x
  3. Step 3: Cross multiply
    14,962.14x = 20,648.22 × 9,220.86
  4. Step 4: Simplify right side
    14,962.14x = 190,394,345.87
  5. Step 5: Solve for x
    x = 190,394,345.87/14,962.14
  6. Step 6: Final answer
    x = 12,725.07

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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.