Home / 25,128.22-34,669.86-16,180.90

Finding the Fourth Proportional to 25,128.22, 34,669.86 and 16,180.90

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Solution

The fourth proportional to 25,128.22, 34,669.86 and 16,180.90 is: 22,325.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,128.22 : 34,669.86 = 16,180.90 : x
  2. Step 2: Convert to fraction form
    25,128.22/34,669.86 = 16,180.90/x
  3. Step 3: Cross multiply
    25,128.22x = 34,669.86 × 16,180.90
  4. Step 4: Simplify right side
    25,128.22x = 560,989,537.67
  5. Step 5: Solve for x
    x = 560,989,537.67/25,128.22
  6. Step 6: Final answer
    x = 22,325.08

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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.