Home / 22,060.08-30,442.71-11,988.48

Finding the Fourth Proportional to 22,060.08, 30,442.71 and 11,988.48

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Solution

The fourth proportional to 22,060.08, 30,442.71 and 11,988.48 is: 16,543.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,060.08 : 30,442.71 = 11,988.48 : x
  2. Step 2: Convert to fraction form
    22,060.08/30,442.71 = 11,988.48/x
  3. Step 3: Cross multiply
    22,060.08x = 30,442.71 × 11,988.48
  4. Step 4: Simplify right side
    22,060.08x = 364,961,819.98
  5. Step 5: Solve for x
    x = 364,961,819.98/22,060.08
  6. Step 6: Final answer
    x = 16,543.99

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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.