Home / 21,358.09-32,043.63-10,122.03

Finding the Fourth Proportional to 21,358.09, 32,043.63 and 10,122.03

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Solution

The fourth proportional to 21,358.09, 32,043.63 and 10,122.03 is: 15,186.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358.09 : 32,043.63 = 10,122.03 : x
  2. Step 2: Convert to fraction form
    21,358.09/32,043.63 = 10,122.03/x
  3. Step 3: Cross multiply
    21,358.09x = 32,043.63 × 10,122.03
  4. Step 4: Simplify right side
    21,358.09x = 324,346,533.56
  5. Step 5: Solve for x
    x = 324,346,533.56/21,358.09
  6. Step 6: Final answer
    x = 15,186.12

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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.