Home / 26,227.18-39,319.40-12,196.07

Finding the Fourth Proportional to 26,227.18, 39,319.40 and 12,196.07

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Solution

The fourth proportional to 26,227.18, 39,319.40 and 12,196.07 is: 18,284.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,227.18 : 39,319.40 = 12,196.07 : x
  2. Step 2: Convert to fraction form
    26,227.18/39,319.40 = 12,196.07/x
  3. Step 3: Cross multiply
    26,227.18x = 39,319.40 × 12,196.07
  4. Step 4: Simplify right side
    26,227.18x = 479,541,988.65
  5. Step 5: Solve for x
    x = 479,541,988.65/26,227.18
  6. Step 6: Final answer
    x = 18,284.16

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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.