Home / 23,160.19-31,960.96-12,549.87

Finding the Fourth Proportional to 23,160.19, 31,960.96 and 12,549.87

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Solution

The fourth proportional to 23,160.19, 31,960.96 and 12,549.87 is: 17,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,160.19 : 31,960.96 = 12,549.87 : x
  2. Step 2: Convert to fraction form
    23,160.19/31,960.96 = 12,549.87/x
  3. Step 3: Cross multiply
    23,160.19x = 31,960.96 × 12,549.87
  4. Step 4: Simplify right side
    23,160.19x = 401,105,893.08
  5. Step 5: Solve for x
    x = 401,105,893.08/23,160.19
  6. Step 6: Final answer
    x = 17,318.77

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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.