Home / 20,359.04-30,538.58-5,566.86

Finding the Fourth Proportional to 20,359.04, 30,538.58 and 5,566.86

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Solution

The fourth proportional to 20,359.04, 30,538.58 and 5,566.86 is: 8,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,359.04 : 30,538.58 = 5,566.86 : x
  2. Step 2: Convert to fraction form
    20,359.04/30,538.58 = 5,566.86/x
  3. Step 3: Cross multiply
    20,359.04x = 30,538.58 × 5,566.86
  4. Step 4: Simplify right side
    20,359.04x = 170,003,971.62
  5. Step 5: Solve for x
    x = 170,003,971.62/20,359.04
  6. Step 6: Final answer
    x = 8,350.30

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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.