Home / 19,298.10-26,600.55-15,755.22

Finding the Fourth Proportional to 19,298.10, 26,600.55 and 15,755.22

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Solution

The fourth proportional to 19,298.10, 26,600.55 and 15,755.22 is: 21,717.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.10 : 26,600.55 = 15,755.22 : x
  2. Step 2: Convert to fraction form
    19,298.10/26,600.55 = 15,755.22/x
  3. Step 3: Cross multiply
    19,298.10x = 26,600.55 × 15,755.22
  4. Step 4: Simplify right side
    19,298.10x = 419,097,517.37
  5. Step 5: Solve for x
    x = 419,097,517.37/19,298.10
  6. Step 6: Final answer
    x = 21,717.04

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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.