Home / 23,173.16-31,979.07-12,562.70

Finding the Fourth Proportional to 23,173.16, 31,979.07 and 12,562.70

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Solution

The fourth proportional to 23,173.16, 31,979.07 and 12,562.70 is: 17,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,173.16 : 31,979.07 = 12,562.70 : x
  2. Step 2: Convert to fraction form
    23,173.16/31,979.07 = 12,562.70/x
  3. Step 3: Cross multiply
    23,173.16x = 31,979.07 × 12,562.70
  4. Step 4: Simplify right side
    23,173.16x = 401,743,302.79
  5. Step 5: Solve for x
    x = 401,743,302.79/23,173.16
  6. Step 6: Final answer
    x = 17,336.58

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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.