Home / 26,199.86-36,149.90-21,968.01

Finding the Fourth Proportional to 26,199.86, 36,149.90 and 21,968.01

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Solution

The fourth proportional to 26,199.86, 36,149.90 and 21,968.01 is: 30,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,199.86 : 36,149.90 = 21,968.01 : x
  2. Step 2: Convert to fraction form
    26,199.86/36,149.90 = 21,968.01/x
  3. Step 3: Cross multiply
    26,199.86x = 36,149.90 × 21,968.01
  4. Step 4: Simplify right side
    26,199.86x = 794,141,254.86
  5. Step 5: Solve for x
    x = 794,141,254.86/26,199.86
  6. Step 6: Final answer
    x = 30,310.90

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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.