Home / 20,590.24-30,919.53-12,848.26

Finding the Fourth Proportional to 20,590.24, 30,919.53 and 12,848.26

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Solution

The fourth proportional to 20,590.24, 30,919.53 and 12,848.26 is: 19,293.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,590.24 : 30,919.53 = 12,848.26 : x
  2. Step 2: Convert to fraction form
    20,590.24/30,919.53 = 12,848.26/x
  3. Step 3: Cross multiply
    20,590.24x = 30,919.53 × 12,848.26
  4. Step 4: Simplify right side
    20,590.24x = 397,262,160.52
  5. Step 5: Solve for x
    x = 397,262,160.52/20,590.24
  6. Step 6: Final answer
    x = 19,293.71

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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.