Home / 20,544.12-28,349.46-11,590.02

Finding the Fourth Proportional to 20,544.12, 28,349.46 and 11,590.02

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Solution

The fourth proportional to 20,544.12, 28,349.46 and 11,590.02 is: 15,993.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.12 : 28,349.46 = 11,590.02 : x
  2. Step 2: Convert to fraction form
    20,544.12/28,349.46 = 11,590.02/x
  3. Step 3: Cross multiply
    20,544.12x = 28,349.46 × 11,590.02
  4. Step 4: Simplify right side
    20,544.12x = 328,570,808.39
  5. Step 5: Solve for x
    x = 328,570,808.39/20,544.12
  6. Step 6: Final answer
    x = 15,993.42

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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.