Home / 22,354.50-30,849.08-12,145.46

Finding the Fourth Proportional to 22,354.50, 30,849.08 and 12,145.46

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Solution

The fourth proportional to 22,354.50, 30,849.08 and 12,145.46 is: 16,760.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,354.50 : 30,849.08 = 12,145.46 : x
  2. Step 2: Convert to fraction form
    22,354.50/30,849.08 = 12,145.46/x
  3. Step 3: Cross multiply
    22,354.50x = 30,849.08 × 12,145.46
  4. Step 4: Simplify right side
    22,354.50x = 374,676,267.18
  5. Step 5: Solve for x
    x = 374,676,267.18/22,354.50
  6. Step 6: Final answer
    x = 16,760.66

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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.