Home / 14,598.48-20,147.60-8,311.80

Finding the Fourth Proportional to 14,598.48, 20,147.60 and 8,311.80

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Solution

The fourth proportional to 14,598.48, 20,147.60 and 8,311.80 is: 11,471.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,598.48 : 20,147.60 = 8,311.80 : x
  2. Step 2: Convert to fraction form
    14,598.48/20,147.60 = 8,311.80/x
  3. Step 3: Cross multiply
    14,598.48x = 20,147.60 × 8,311.80
  4. Step 4: Simplify right side
    14,598.48x = 167,462,821.68
  5. Step 5: Solve for x
    x = 167,462,821.68/14,598.48
  6. Step 6: Final answer
    x = 11,471.25

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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.