Home / 29,818.06-41,137.13-19,213.88

Finding the Fourth Proportional to 29,818.06, 41,137.13 and 19,213.88

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Solution

The fourth proportional to 29,818.06, 41,137.13 and 19,213.88 is: 26,507.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,818.06 : 41,137.13 = 19,213.88 : x
  2. Step 2: Convert to fraction form
    29,818.06/41,137.13 = 19,213.88/x
  3. Step 3: Cross multiply
    29,818.06x = 41,137.13 × 19,213.88
  4. Step 4: Simplify right side
    29,818.06x = 790,403,721.71
  5. Step 5: Solve for x
    x = 790,403,721.71/29,818.06
  6. Step 6: Final answer
    x = 26,507.55

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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.