Home / 20,339.16-28,068.67-11,844.25

Finding the Fourth Proportional to 20,339.16, 28,068.67 and 11,844.25

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Solution

The fourth proportional to 20,339.16, 28,068.67 and 11,844.25 is: 16,345.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,339.16 : 28,068.67 = 11,844.25 : x
  2. Step 2: Convert to fraction form
    20,339.16/28,068.67 = 11,844.25/x
  3. Step 3: Cross multiply
    20,339.16x = 28,068.67 × 11,844.25
  4. Step 4: Simplify right side
    20,339.16x = 332,452,344.65
  5. Step 5: Solve for x
    x = 332,452,344.65/20,339.16
  6. Step 6: Final answer
    x = 16,345.43

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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.