Home / 14,764.82-22,128.53-6,442.61

Finding the Fourth Proportional to 14,764.82, 22,128.53 and 6,442.61

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Solution

The fourth proportional to 14,764.82, 22,128.53 and 6,442.61 is: 9,655.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,764.82 : 22,128.53 = 6,442.61 : x
  2. Step 2: Convert to fraction form
    14,764.82/22,128.53 = 6,442.61/x
  3. Step 3: Cross multiply
    14,764.82x = 22,128.53 × 6,442.61
  4. Step 4: Simplify right side
    14,764.82x = 142,565,345.81
  5. Step 5: Solve for x
    x = 142,565,345.81/14,764.82
  6. Step 6: Final answer
    x = 9,655.75

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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.