Home / 20,792.08-31,188.13-5,798.59

Finding the Fourth Proportional to 20,792.08, 31,188.13 and 5,798.59

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Solution

The fourth proportional to 20,792.08, 31,188.13 and 5,798.59 is: 8,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,792.08 : 31,188.13 = 5,798.59 : x
  2. Step 2: Convert to fraction form
    20,792.08/31,188.13 = 5,798.59/x
  3. Step 3: Cross multiply
    20,792.08x = 31,188.13 × 5,798.59
  4. Step 4: Simplify right side
    20,792.08x = 180,847,086.27
  5. Step 5: Solve for x
    x = 180,847,086.27/20,792.08
  6. Step 6: Final answer
    x = 8,697.88

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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.