Home / 23,160.09-31,960.94-12,549.77

Finding the Fourth Proportional to 23,160.09, 31,960.94 and 12,549.77

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Solution

The fourth proportional to 23,160.09, 31,960.94 and 12,549.77 is: 17,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,160.09 : 31,960.94 = 12,549.77 : x
  2. Step 2: Convert to fraction form
    23,160.09/31,960.94 = 12,549.77/x
  3. Step 3: Cross multiply
    23,160.09x = 31,960.94 × 12,549.77
  4. Step 4: Simplify right side
    23,160.09x = 401,102,445.98
  5. Step 5: Solve for x
    x = 401,102,445.98/23,160.09
  6. Step 6: Final answer
    x = 17,318.69

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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.