Home / 20,562.39-30,697.52-19,833.39

Finding the Fourth Proportional to 20,562.39, 30,697.52 and 19,833.39

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Solution

The fourth proportional to 20,562.39, 30,697.52 and 19,833.39 is: 29,609.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.39 : 30,697.52 = 19,833.39 : x
  2. Step 2: Convert to fraction form
    20,562.39/30,697.52 = 19,833.39/x
  3. Step 3: Cross multiply
    20,562.39x = 30,697.52 × 19,833.39
  4. Step 4: Simplify right side
    20,562.39x = 608,835,787.03
  5. Step 5: Solve for x
    x = 608,835,787.03/20,562.39
  6. Step 6: Final answer
    x = 29,609.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.