Home / 21,822.64-32,735.08-6,242.56

Finding the Fourth Proportional to 21,822.64, 32,735.08 and 6,242.56

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Solution

The fourth proportional to 21,822.64, 32,735.08 and 6,242.56 is: 9,364.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,822.64 : 32,735.08 = 6,242.56 : x
  2. Step 2: Convert to fraction form
    21,822.64/32,735.08 = 6,242.56/x
  3. Step 3: Cross multiply
    21,822.64x = 32,735.08 × 6,242.56
  4. Step 4: Simplify right side
    21,822.64x = 204,350,701.00
  5. Step 5: Solve for x
    x = 204,350,701.00/21,822.64
  6. Step 6: Final answer
    x = 9,364.16

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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.