Home / 14,211.61-21,317.55-5,444.44

Finding the Fourth Proportional to 14,211.61, 21,317.55 and 5,444.44

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Solution

The fourth proportional to 14,211.61, 21,317.55 and 5,444.44 is: 8,166.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.61 : 21,317.55 = 5,444.44 : x
  2. Step 2: Convert to fraction form
    14,211.61/21,317.55 = 5,444.44/x
  3. Step 3: Cross multiply
    14,211.61x = 21,317.55 × 5,444.44
  4. Step 4: Simplify right side
    14,211.61x = 116,062,048.21
  5. Step 5: Solve for x
    x = 116,062,048.21/14,211.61
  6. Step 6: Final answer
    x = 8,166.71

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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.