Home / 21,569.01-32,361.30-7,531.11

Finding the Fourth Proportional to 21,569.01, 32,361.30 and 7,531.11

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Solution

The fourth proportional to 21,569.01, 32,361.30 and 7,531.11 is: 11,299.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,569.01 : 32,361.30 = 7,531.11 : x
  2. Step 2: Convert to fraction form
    21,569.01/32,361.30 = 7,531.11/x
  3. Step 3: Cross multiply
    21,569.01x = 32,361.30 × 7,531.11
  4. Step 4: Simplify right side
    21,569.01x = 243,716,388.69
  5. Step 5: Solve for x
    x = 243,716,388.69/21,569.01
  6. Step 6: Final answer
    x = 11,299.38

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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.