Home / 21,795.09-32,681.28-7,753.08

Finding the Fourth Proportional to 21,795.09, 32,681.28 and 7,753.08

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Solution

The fourth proportional to 21,795.09, 32,681.28 and 7,753.08 is: 11,625.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,795.09 : 32,681.28 = 7,753.08 : x
  2. Step 2: Convert to fraction form
    21,795.09/32,681.28 = 7,753.08/x
  3. Step 3: Cross multiply
    21,795.09x = 32,681.28 × 7,753.08
  4. Step 4: Simplify right side
    21,795.09x = 253,380,578.34
  5. Step 5: Solve for x
    x = 253,380,578.34/21,795.09
  6. Step 6: Final answer
    x = 11,625.58

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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.