Home / 26,649.57-39,999.47-19,608.12

Finding the Fourth Proportional to 26,649.57, 39,999.47 and 19,608.12

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Solution

The fourth proportional to 26,649.57, 39,999.47 and 19,608.12 is: 29,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,649.57 : 39,999.47 = 19,608.12 : x
  2. Step 2: Convert to fraction form
    26,649.57/39,999.47 = 19,608.12/x
  3. Step 3: Cross multiply
    26,649.57x = 39,999.47 × 19,608.12
  4. Step 4: Simplify right side
    26,649.57x = 784,314,207.70
  5. Step 5: Solve for x
    x = 784,314,207.70/26,649.57
  6. Step 6: Final answer
    x = 29,430.65

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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.