Home / 19,381.02-26,745.99-10,996.86

Finding the Fourth Proportional to 19,381.02, 26,745.99 and 10,996.86

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Solution

The fourth proportional to 19,381.02, 26,745.99 and 10,996.86 is: 15,175.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,381.02 : 26,745.99 = 10,996.86 : x
  2. Step 2: Convert to fraction form
    19,381.02/26,745.99 = 10,996.86/x
  3. Step 3: Cross multiply
    19,381.02x = 26,745.99 × 10,996.86
  4. Step 4: Simplify right side
    19,381.02x = 294,121,907.59
  5. Step 5: Solve for x
    x = 294,121,907.59/19,381.02
  6. Step 6: Final answer
    x = 15,175.77

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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.