Home / 13,598.42-20,399.45-5,699.70

Finding the Fourth Proportional to 13,598.42, 20,399.45 and 5,699.70

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Solution

The fourth proportional to 13,598.42, 20,399.45 and 5,699.70 is: 8,550.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.42 : 20,399.45 = 5,699.70 : x
  2. Step 2: Convert to fraction form
    13,598.42/20,399.45 = 5,699.70/x
  3. Step 3: Cross multiply
    13,598.42x = 20,399.45 × 5,699.70
  4. Step 4: Simplify right side
    13,598.42x = 116,270,716.67
  5. Step 5: Solve for x
    x = 116,270,716.67/13,598.42
  6. Step 6: Final answer
    x = 8,550.31

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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.