Home / 14,113.58-21,169.71-5,791.55

Finding the Fourth Proportional to 14,113.58, 21,169.71 and 5,791.55

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Solution

The fourth proportional to 14,113.58, 21,169.71 and 5,791.55 is: 8,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.58 : 21,169.71 = 5,791.55 : x
  2. Step 2: Convert to fraction form
    14,113.58/21,169.71 = 5,791.55/x
  3. Step 3: Cross multiply
    14,113.58x = 21,169.71 × 5,791.55
  4. Step 4: Simplify right side
    14,113.58x = 122,605,328.10
  5. Step 5: Solve for x
    x = 122,605,328.10/14,113.58
  6. Step 6: Final answer
    x = 8,687.05

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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.