Home / 20,000.67-27,598.77-11,047.74

Finding the Fourth Proportional to 20,000.67, 27,598.77 and 11,047.74

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Solution

The fourth proportional to 20,000.67, 27,598.77 and 11,047.74 is: 15,244.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000.67 : 27,598.77 = 11,047.74 : x
  2. Step 2: Convert to fraction form
    20,000.67/27,598.77 = 11,047.74/x
  3. Step 3: Cross multiply
    20,000.67x = 27,598.77 × 11,047.74
  4. Step 4: Simplify right side
    20,000.67x = 304,904,035.28
  5. Step 5: Solve for x
    x = 304,904,035.28/20,000.67
  6. Step 6: Final answer
    x = 15,244.69

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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.