Home / 19,518.21-29,281.98-6,370.61

Finding the Fourth Proportional to 19,518.21, 29,281.98 and 6,370.61

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Solution

The fourth proportional to 19,518.21, 29,281.98 and 6,370.61 is: 9,557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.21 : 29,281.98 = 6,370.61 : x
  2. Step 2: Convert to fraction form
    19,518.21/29,281.98 = 6,370.61/x
  3. Step 3: Cross multiply
    19,518.21x = 29,281.98 × 6,370.61
  4. Step 4: Simplify right side
    19,518.21x = 186,543,928.20
  5. Step 5: Solve for x
    x = 186,543,928.20/19,518.21
  6. Step 6: Final answer
    x = 9,557.43

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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.