Home / 21,895.11-32,835.78-7,100.60

Finding the Fourth Proportional to 21,895.11, 32,835.78 and 7,100.60

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Solution

The fourth proportional to 21,895.11, 32,835.78 and 7,100.60 is: 10,648.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,895.11 : 32,835.78 = 7,100.60 : x
  2. Step 2: Convert to fraction form
    21,895.11/32,835.78 = 7,100.60/x
  3. Step 3: Cross multiply
    21,895.11x = 32,835.78 × 7,100.60
  4. Step 4: Simplify right side
    21,895.11x = 233,153,575.29
  5. Step 5: Solve for x
    x = 233,153,575.29/21,895.11
  6. Step 6: Final answer
    x = 10,648.66

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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.