Home / 20,000.04-27,599.94-11,047.50

Finding the Fourth Proportional to 20,000.04, 27,599.94 and 11,047.50

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Solution

The fourth proportional to 20,000.04, 27,599.94 and 11,047.50 is: 15,245.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000.04 : 27,599.94 = 11,047.50 : x
  2. Step 2: Convert to fraction form
    20,000.04/27,599.94 = 11,047.50/x
  3. Step 3: Cross multiply
    20,000.04x = 27,599.94 × 11,047.50
  4. Step 4: Simplify right side
    20,000.04x = 304,910,337.15
  5. Step 5: Solve for x
    x = 304,910,337.15/20,000.04
  6. Step 6: Final answer
    x = 15,245.49

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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.