Home / 23,171.16-34,751.38-13,813.80

Finding the Fourth Proportional to 23,171.16, 34,751.38 and 13,813.80

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Solution

The fourth proportional to 23,171.16, 34,751.38 and 13,813.80 is: 20,717.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,171.16 : 34,751.38 = 13,813.80 : x
  2. Step 2: Convert to fraction form
    23,171.16/34,751.38 = 13,813.80/x
  3. Step 3: Cross multiply
    23,171.16x = 34,751.38 × 13,813.80
  4. Step 4: Simplify right side
    23,171.16x = 480,048,613.04
  5. Step 5: Solve for x
    x = 480,048,613.04/23,171.16
  6. Step 6: Final answer
    x = 20,717.50

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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.