Home / 19,774.90-29,643.27-6,619.96

Finding the Fourth Proportional to 19,774.90, 29,643.27 and 6,619.96

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Solution

The fourth proportional to 19,774.90, 29,643.27 and 6,619.96 is: 9,923.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774.90 : 29,643.27 = 6,619.96 : x
  2. Step 2: Convert to fraction form
    19,774.90/29,643.27 = 6,619.96/x
  3. Step 3: Cross multiply
    19,774.90x = 29,643.27 × 6,619.96
  4. Step 4: Simplify right side
    19,774.90x = 196,237,261.67
  5. Step 5: Solve for x
    x = 196,237,261.67/19,774.90
  6. Step 6: Final answer
    x = 9,923.55

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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.