Home / 21,343.44-32,018.63-8,017.47

Finding the Fourth Proportional to 21,343.44, 32,018.63 and 8,017.47

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Solution

The fourth proportional to 21,343.44, 32,018.63 and 8,017.47 is: 12,027.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343.44 : 32,018.63 = 8,017.47 : x
  2. Step 2: Convert to fraction form
    21,343.44/32,018.63 = 8,017.47/x
  3. Step 3: Cross multiply
    21,343.44x = 32,018.63 × 8,017.47
  4. Step 4: Simplify right side
    21,343.44x = 256,708,405.47
  5. Step 5: Solve for x
    x = 256,708,405.47/21,343.44
  6. Step 6: Final answer
    x = 12,027.51

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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.