Home / 21,466.85-32,195.14-7,427.36

Finding the Fourth Proportional to 21,466.85, 32,195.14 and 7,427.36

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Solution

The fourth proportional to 21,466.85, 32,195.14 and 7,427.36 is: 11,139.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,466.85 : 32,195.14 = 7,427.36 : x
  2. Step 2: Convert to fraction form
    21,466.85/32,195.14 = 7,427.36/x
  3. Step 3: Cross multiply
    21,466.85x = 32,195.14 × 7,427.36
  4. Step 4: Simplify right side
    21,466.85x = 239,124,956.95
  5. Step 5: Solve for x
    x = 239,124,956.95/21,466.85
  6. Step 6: Final answer
    x = 11,139.27

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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.