Home / 20,836.68-28,768.06-18,594.74

Finding the Fourth Proportional to 20,836.68, 28,768.06 and 18,594.74

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Solution

The fourth proportional to 20,836.68, 28,768.06 and 18,594.74 is: 25,672.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,836.68 : 28,768.06 = 18,594.74 : x
  2. Step 2: Convert to fraction form
    20,836.68/28,768.06 = 18,594.74/x
  3. Step 3: Cross multiply
    20,836.68x = 28,768.06 × 18,594.74
  4. Step 4: Simplify right side
    20,836.68x = 534,934,596.00
  5. Step 5: Solve for x
    x = 534,934,596.00/20,836.68
  6. Step 6: Final answer
    x = 25,672.74

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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.