Home / 26,116.94-36,018.14-21,079.56

Finding the Fourth Proportional to 26,116.94, 36,018.14 and 21,079.56

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Solution

The fourth proportional to 26,116.94, 36,018.14 and 21,079.56 is: 29,071.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,116.94 : 36,018.14 = 21,079.56 : x
  2. Step 2: Convert to fraction form
    26,116.94/36,018.14 = 21,079.56/x
  3. Step 3: Cross multiply
    26,116.94x = 36,018.14 × 21,079.56
  4. Step 4: Simplify right side
    26,116.94x = 759,246,543.22
  5. Step 5: Solve for x
    x = 759,246,543.22/26,116.94
  6. Step 6: Final answer
    x = 29,071.04

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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.