Home / 20,351.04-30,534.12-6,501.12

Finding the Fourth Proportional to 20,351.04, 30,534.12 and 6,501.12

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Solution

The fourth proportional to 20,351.04, 30,534.12 and 6,501.12 is: 9,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351.04 : 30,534.12 = 6,501.12 : x
  2. Step 2: Convert to fraction form
    20,351.04/30,534.12 = 6,501.12/x
  3. Step 3: Cross multiply
    20,351.04x = 30,534.12 × 6,501.12
  4. Step 4: Simplify right side
    20,351.04x = 198,505,978.21
  5. Step 5: Solve for x
    x = 198,505,978.21/20,351.04
  6. Step 6: Final answer
    x = 9,754.10

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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.