Home / 22,208.08-30,650.53-12,776.04

Finding the Fourth Proportional to 22,208.08, 30,650.53 and 12,776.04

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Solution

The fourth proportional to 22,208.08, 30,650.53 and 12,776.04 is: 17,632.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.08 : 30,650.53 = 12,776.04 : x
  2. Step 2: Convert to fraction form
    22,208.08/30,650.53 = 12,776.04/x
  3. Step 3: Cross multiply
    22,208.08x = 30,650.53 × 12,776.04
  4. Step 4: Simplify right side
    22,208.08x = 391,592,397.30
  5. Step 5: Solve for x
    x = 391,592,397.30/22,208.08
  6. Step 6: Final answer
    x = 17,632.88

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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.