Home / 26,287.65-39,431.48-12,463.65

Finding the Fourth Proportional to 26,287.65, 39,431.48 and 12,463.65

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Solution

The fourth proportional to 26,287.65, 39,431.48 and 12,463.65 is: 18,695.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.65 : 39,431.48 = 12,463.65 : x
  2. Step 2: Convert to fraction form
    26,287.65/39,431.48 = 12,463.65/x
  3. Step 3: Cross multiply
    26,287.65x = 39,431.48 × 12,463.65
  4. Step 4: Simplify right side
    26,287.65x = 491,460,103.38
  5. Step 5: Solve for x
    x = 491,460,103.38/26,287.65
  6. Step 6: Final answer
    x = 18,695.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.