Home / 22,742.66-31,384.92-13,184.39

Finding the Fourth Proportional to 22,742.66, 31,384.92 and 13,184.39

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Solution

The fourth proportional to 22,742.66, 31,384.92 and 13,184.39 is: 18,194.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,742.66 : 31,384.92 = 13,184.39 : x
  2. Step 2: Convert to fraction form
    22,742.66/31,384.92 = 13,184.39/x
  3. Step 3: Cross multiply
    22,742.66x = 31,384.92 × 13,184.39
  4. Step 4: Simplify right side
    22,742.66x = 413,791,025.40
  5. Step 5: Solve for x
    x = 413,791,025.40/22,742.66
  6. Step 6: Final answer
    x = 18,194.49

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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.