Home / 22,276.08-30,742.74-12,847.68

Finding the Fourth Proportional to 22,276.08, 30,742.74 and 12,847.68

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Solution

The fourth proportional to 22,276.08, 30,742.74 and 12,847.68 is: 17,730.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,276.08 : 30,742.74 = 12,847.68 : x
  2. Step 2: Convert to fraction form
    22,276.08/30,742.74 = 12,847.68/x
  3. Step 3: Cross multiply
    22,276.08x = 30,742.74 × 12,847.68
  4. Step 4: Simplify right side
    22,276.08x = 394,972,885.84
  5. Step 5: Solve for x
    x = 394,972,885.84/22,276.08
  6. Step 6: Final answer
    x = 17,730.81

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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.