Home / 21,541.02-32,298.21-8,377.98

Finding the Fourth Proportional to 21,541.02, 32,298.21 and 8,377.98

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Solution

The fourth proportional to 21,541.02, 32,298.21 and 8,377.98 is: 12,561.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541.02 : 32,298.21 = 8,377.98 : x
  2. Step 2: Convert to fraction form
    21,541.02/32,298.21 = 8,377.98/x
  3. Step 3: Cross multiply
    21,541.02x = 32,298.21 × 8,377.98
  4. Step 4: Simplify right side
    21,541.02x = 270,593,757.42
  5. Step 5: Solve for x
    x = 270,593,757.42/21,541.02
  6. Step 6: Final answer
    x = 12,561.79

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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.