Home / 23,159.72-31,960.34-12,549.33

Finding the Fourth Proportional to 23,159.72, 31,960.34 and 12,549.33

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Solution

The fourth proportional to 23,159.72, 31,960.34 and 12,549.33 is: 17,318.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,159.72 : 31,960.34 = 12,549.33 : x
  2. Step 2: Convert to fraction form
    23,159.72/31,960.34 = 12,549.33/x
  3. Step 3: Cross multiply
    23,159.72x = 31,960.34 × 12,549.33
  4. Step 4: Simplify right side
    23,159.72x = 401,080,837.89
  5. Step 5: Solve for x
    x = 401,080,837.89/23,159.72
  6. Step 6: Final answer
    x = 17,318.03

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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.