Home / 42,997.22-64,496.19-11,834.18

Finding the Fourth Proportional to 42,997.22, 64,496.19 and 11,834.18

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Solution

The fourth proportional to 42,997.22, 64,496.19 and 11,834.18 is: 17,751.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,997.22 : 64,496.19 = 11,834.18 : x
  2. Step 2: Convert to fraction form
    42,997.22/64,496.19 = 11,834.18/x
  3. Step 3: Cross multiply
    42,997.22x = 64,496.19 × 11,834.18
  4. Step 4: Simplify right side
    42,997.22x = 763,259,521.77
  5. Step 5: Solve for x
    x = 763,259,521.77/42,997.22
  6. Step 6: Final answer
    x = 17,751.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.