Home / 23,154.39-31,953.21-12,544.02

Finding the Fourth Proportional to 23,154.39, 31,953.21 and 12,544.02

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Solution

The fourth proportional to 23,154.39, 31,953.21 and 12,544.02 is: 17,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,154.39 : 31,953.21 = 12,544.02 : x
  2. Step 2: Convert to fraction form
    23,154.39/31,953.21 = 12,544.02/x
  3. Step 3: Cross multiply
    23,154.39x = 31,953.21 × 12,544.02
  4. Step 4: Simplify right side
    23,154.39x = 400,821,658.26
  5. Step 5: Solve for x
    x = 400,821,658.26/23,154.39
  6. Step 6: Final answer
    x = 17,310.83

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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.