Home / 21,999.20-32,998.80-16,094.30

Finding the Fourth Proportional to 21,999.20, 32,998.80 and 16,094.30

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Solution

The fourth proportional to 21,999.20, 32,998.80 and 16,094.30 is: 24,141.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,999.20 : 32,998.80 = 16,094.30 : x
  2. Step 2: Convert to fraction form
    21,999.20/32,998.80 = 16,094.30/x
  3. Step 3: Cross multiply
    21,999.20x = 32,998.80 × 16,094.30
  4. Step 4: Simplify right side
    21,999.20x = 531,092,586.84
  5. Step 5: Solve for x
    x = 531,092,586.84/21,999.20
  6. Step 6: Final answer
    x = 24,141.45

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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.