Home / 20,594.01-28,419.89-11,162.64

Finding the Fourth Proportional to 20,594.01, 28,419.89 and 11,162.64

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Solution

The fourth proportional to 20,594.01, 28,419.89 and 11,162.64 is: 15,404.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594.01 : 28,419.89 = 11,162.64 : x
  2. Step 2: Convert to fraction form
    20,594.01/28,419.89 = 11,162.64/x
  3. Step 3: Cross multiply
    20,594.01x = 28,419.89 × 11,162.64
  4. Step 4: Simplify right side
    20,594.01x = 317,240,945.10
  5. Step 5: Solve for x
    x = 317,240,945.10/20,594.01
  6. Step 6: Final answer
    x = 15,404.53

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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.