Home / 14,442.32-21,667.26-6,122.72

Finding the Fourth Proportional to 14,442.32, 21,667.26 and 6,122.72

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Solution

The fourth proportional to 14,442.32, 21,667.26 and 6,122.72 is: 9,185.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442.32 : 21,667.26 = 6,122.72 : x
  2. Step 2: Convert to fraction form
    14,442.32/21,667.26 = 6,122.72/x
  3. Step 3: Cross multiply
    14,442.32x = 21,667.26 × 6,122.72
  4. Step 4: Simplify right side
    14,442.32x = 132,662,566.15
  5. Step 5: Solve for x
    x = 132,662,566.15/14,442.32
  6. Step 6: Final answer
    x = 9,185.68

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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.