Home / 20,324.08-28,050.48-11,940.52

Finding the Fourth Proportional to 20,324.08, 28,050.48 and 11,940.52

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Solution

The fourth proportional to 20,324.08, 28,050.48 and 11,940.52 is: 16,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324.08 : 28,050.48 = 11,940.52 : x
  2. Step 2: Convert to fraction form
    20,324.08/28,050.48 = 11,940.52/x
  3. Step 3: Cross multiply
    20,324.08x = 28,050.48 × 11,940.52
  4. Step 4: Simplify right side
    20,324.08x = 334,937,317.45
  5. Step 5: Solve for x
    x = 334,937,317.45/20,324.08
  6. Step 6: Final answer
    x = 16,479.83

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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.