Home / 19,498.50-26,912.79-11,119.86

Finding the Fourth Proportional to 19,498.50, 26,912.79 and 11,119.86

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Solution

The fourth proportional to 19,498.50, 26,912.79 and 11,119.86 is: 15,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,498.50 : 26,912.79 = 11,119.86 : x
  2. Step 2: Convert to fraction form
    19,498.50/26,912.79 = 11,119.86/x
  3. Step 3: Cross multiply
    19,498.50x = 26,912.79 × 11,119.86
  4. Step 4: Simplify right side
    19,498.50x = 299,266,457.01
  5. Step 5: Solve for x
    x = 299,266,457.01/19,498.50
  6. Step 6: Final answer
    x = 15,348.18

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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.