Home / 19,019.40-26,234.31-11,460.61

Finding the Fourth Proportional to 19,019.40, 26,234.31 and 11,460.61

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Solution

The fourth proportional to 19,019.40, 26,234.31 and 11,460.61 is: 15,808.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.40 : 26,234.31 = 11,460.61 : x
  2. Step 2: Convert to fraction form
    19,019.40/26,234.31 = 11,460.61/x
  3. Step 3: Cross multiply
    19,019.40x = 26,234.31 × 11,460.61
  4. Step 4: Simplify right side
    19,019.40x = 300,661,195.53
  5. Step 5: Solve for x
    x = 300,661,195.53/19,019.40
  6. Step 6: Final answer
    x = 15,808.13

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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.