Home / 20,098.86-27,745.95-13,395.66

Finding the Fourth Proportional to 20,098.86, 27,745.95 and 13,395.66

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Solution

The fourth proportional to 20,098.86, 27,745.95 and 13,395.66 is: 18,492.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098.86 : 27,745.95 = 13,395.66 : x
  2. Step 2: Convert to fraction form
    20,098.86/27,745.95 = 13,395.66/x
  3. Step 3: Cross multiply
    20,098.86x = 27,745.95 × 13,395.66
  4. Step 4: Simplify right side
    20,098.86x = 371,675,312.58
  5. Step 5: Solve for x
    x = 371,675,312.58/20,098.86
  6. Step 6: Final answer
    x = 18,492.36

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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.