Home / 29,615.13-40,864.94-19,019.12

Finding the Fourth Proportional to 29,615.13, 40,864.94 and 19,019.12

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Solution

The fourth proportional to 29,615.13, 40,864.94 and 19,019.12 is: 26,243.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,615.13 : 40,864.94 = 19,019.12 : x
  2. Step 2: Convert to fraction form
    29,615.13/40,864.94 = 19,019.12/x
  3. Step 3: Cross multiply
    29,615.13x = 40,864.94 × 19,019.12
  4. Step 4: Simplify right side
    29,615.13x = 777,215,197.65
  5. Step 5: Solve for x
    x = 777,215,197.65/29,615.13
  6. Step 6: Final answer
    x = 26,243.86

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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.