Home / 22,070.99-30,458.36-11,999.66

Finding the Fourth Proportional to 22,070.99, 30,458.36 and 11,999.66

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Solution

The fourth proportional to 22,070.99, 30,458.36 and 11,999.66 is: 16,559.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,070.99 : 30,458.36 = 11,999.66 : x
  2. Step 2: Convert to fraction form
    22,070.99/30,458.36 = 11,999.66/x
  3. Step 3: Cross multiply
    22,070.99x = 30,458.36 × 11,999.66
  4. Step 4: Simplify right side
    22,070.99x = 365,489,841.86
  5. Step 5: Solve for x
    x = 365,489,841.86/22,070.99
  6. Step 6: Final answer
    x = 16,559.74

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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.