Home / 26,086.86-39,130.02-8,556.48

Finding the Fourth Proportional to 26,086.86, 39,130.02 and 8,556.48

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Solution

The fourth proportional to 26,086.86, 39,130.02 and 8,556.48 is: 12,834.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,086.86 : 39,130.02 = 8,556.48 : x
  2. Step 2: Convert to fraction form
    26,086.86/39,130.02 = 8,556.48/x
  3. Step 3: Cross multiply
    26,086.86x = 39,130.02 × 8,556.48
  4. Step 4: Simplify right side
    26,086.86x = 334,815,233.53
  5. Step 5: Solve for x
    x = 334,815,233.53/26,086.86
  6. Step 6: Final answer
    x = 12,834.63

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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.