Home / 20,487.63-30,712.01-7,333.23

Finding the Fourth Proportional to 20,487.63, 30,712.01 and 7,333.23

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Solution

The fourth proportional to 20,487.63, 30,712.01 and 7,333.23 is: 10,992.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,487.63 : 30,712.01 = 7,333.23 : x
  2. Step 2: Convert to fraction form
    20,487.63/30,712.01 = 7,333.23/x
  3. Step 3: Cross multiply
    20,487.63x = 30,712.01 × 7,333.23
  4. Step 4: Simplify right side
    20,487.63x = 225,218,196.43
  5. Step 5: Solve for x
    x = 225,218,196.43/20,487.63
  6. Step 6: Final answer
    x = 10,992.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.