Home / 14,678.96-20,249.43-9,292.26

Finding the Fourth Proportional to 14,678.96, 20,249.43 and 9,292.26

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Solution

The fourth proportional to 14,678.96, 20,249.43 and 9,292.26 is: 12,818.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.96 : 20,249.43 = 9,292.26 : x
  2. Step 2: Convert to fraction form
    14,678.96/20,249.43 = 9,292.26/x
  3. Step 3: Cross multiply
    14,678.96x = 20,249.43 × 9,292.26
  4. Step 4: Simplify right side
    14,678.96x = 188,162,968.41
  5. Step 5: Solve for x
    x = 188,162,968.41/14,678.96
  6. Step 6: Final answer
    x = 12,818.55

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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.