Home / 21,889.02-32,833.70-9,408.18

Finding the Fourth Proportional to 21,889.02, 32,833.70 and 9,408.18

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Solution

The fourth proportional to 21,889.02, 32,833.70 and 9,408.18 is: 14,112.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,889.02 : 32,833.70 = 9,408.18 : x
  2. Step 2: Convert to fraction form
    21,889.02/32,833.70 = 9,408.18/x
  3. Step 3: Cross multiply
    21,889.02x = 32,833.70 × 9,408.18
  4. Step 4: Simplify right side
    21,889.02x = 308,905,359.67
  5. Step 5: Solve for x
    x = 308,905,359.67/21,889.02
  6. Step 6: Final answer
    x = 14,112.34

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1.5x scale

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.