Home / 23,158.43-31,958.66-12,548.06

Finding the Fourth Proportional to 23,158.43, 31,958.66 and 12,548.06

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Solution

The fourth proportional to 23,158.43, 31,958.66 and 12,548.06 is: 17,316.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,158.43 : 31,958.66 = 12,548.06 : x
  2. Step 2: Convert to fraction form
    23,158.43/31,958.66 = 12,548.06/x
  3. Step 3: Cross multiply
    23,158.43x = 31,958.66 × 12,548.06
  4. Step 4: Simplify right side
    23,158.43x = 401,018,960.67
  5. Step 5: Solve for x
    x = 401,018,960.67/23,158.43
  6. Step 6: Final answer
    x = 17,316.33

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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.