Home / 17,420.74-26,131.11-5,737.30

Finding the Fourth Proportional to 17,420.74, 26,131.11 and 5,737.30

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Solution

The fourth proportional to 17,420.74, 26,131.11 and 5,737.30 is: 8,605.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420.74 : 26,131.11 = 5,737.30 : x
  2. Step 2: Convert to fraction form
    17,420.74/26,131.11 = 5,737.30/x
  3. Step 3: Cross multiply
    17,420.74x = 26,131.11 × 5,737.30
  4. Step 4: Simplify right side
    17,420.74x = 149,922,017.40
  5. Step 5: Solve for x
    x = 149,922,017.40/17,420.74
  6. Step 6: Final answer
    x = 8,605.95

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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.