Home / 14,422.75-19,903.52-8,374.30

Finding the Fourth Proportional to 14,422.75, 19,903.52 and 8,374.30

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Solution

The fourth proportional to 14,422.75, 19,903.52 and 8,374.30 is: 11,556.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.75 : 19,903.52 = 8,374.30 : x
  2. Step 2: Convert to fraction form
    14,422.75/19,903.52 = 8,374.30/x
  3. Step 3: Cross multiply
    14,422.75x = 19,903.52 × 8,374.30
  4. Step 4: Simplify right side
    14,422.75x = 166,678,018.71
  5. Step 5: Solve for x
    x = 166,678,018.71/14,422.75
  6. Step 6: Final answer
    x = 11,556.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.