Home / 22,277.83-30,742.23-12,204.40

Finding the Fourth Proportional to 22,277.83, 30,742.23 and 12,204.40

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Solution

The fourth proportional to 22,277.83, 30,742.23 and 12,204.40 is: 16,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,277.83 : 30,742.23 = 12,204.40 : x
  2. Step 2: Convert to fraction form
    22,277.83/30,742.23 = 12,204.40/x
  3. Step 3: Cross multiply
    22,277.83x = 30,742.23 × 12,204.40
  4. Step 4: Simplify right side
    22,277.83x = 375,190,471.81
  5. Step 5: Solve for x
    x = 375,190,471.81/22,277.83
  6. Step 6: Final answer
    x = 16,841.43

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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.