Home / 18,995.06-26,207.42-11,035.74

Finding the Fourth Proportional to 18,995.06, 26,207.42 and 11,035.74

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Solution

The fourth proportional to 18,995.06, 26,207.42 and 11,035.74 is: 15,225.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995.06 : 26,207.42 = 11,035.74 : x
  2. Step 2: Convert to fraction form
    18,995.06/26,207.42 = 11,035.74/x
  3. Step 3: Cross multiply
    18,995.06x = 26,207.42 × 11,035.74
  4. Step 4: Simplify right side
    18,995.06x = 289,218,273.19
  5. Step 5: Solve for x
    x = 289,218,273.19/18,995.06
  6. Step 6: Final answer
    x = 15,225.97

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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.