Home / 23,160.25-31,960.28-12,549.65

Finding the Fourth Proportional to 23,160.25, 31,960.28 and 12,549.65

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Solution

The fourth proportional to 23,160.25, 31,960.28 and 12,549.65 is: 17,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,160.25 : 31,960.28 = 12,549.65 : x
  2. Step 2: Convert to fraction form
    23,160.25/31,960.28 = 12,549.65/x
  3. Step 3: Cross multiply
    23,160.25x = 31,960.28 × 12,549.65
  4. Step 4: Simplify right side
    23,160.25x = 401,090,327.90
  5. Step 5: Solve for x
    x = 401,090,327.90/23,160.25
  6. Step 6: Final answer
    x = 17,318.05

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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.