Home / 22,238.84-30,689.16-12,167.17

Finding the Fourth Proportional to 22,238.84, 30,689.16 and 12,167.17

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Solution

The fourth proportional to 22,238.84, 30,689.16 and 12,167.17 is: 16,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,238.84 : 30,689.16 = 12,167.17 : x
  2. Step 2: Convert to fraction form
    22,238.84/30,689.16 = 12,167.17/x
  3. Step 3: Cross multiply
    22,238.84x = 30,689.16 × 12,167.17
  4. Step 4: Simplify right side
    22,238.84x = 373,400,226.88
  5. Step 5: Solve for x
    x = 373,400,226.88/22,238.84
  6. Step 6: Final answer
    x = 16,790.45

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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.