Home / 21,485.26-32,216.10-7,444.04

Finding the Fourth Proportional to 21,485.26, 32,216.10 and 7,444.04

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Solution

The fourth proportional to 21,485.26, 32,216.10 and 7,444.04 is: 11,161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,485.26 : 32,216.10 = 7,444.04 : x
  2. Step 2: Convert to fraction form
    21,485.26/32,216.10 = 7,444.04/x
  3. Step 3: Cross multiply
    21,485.26x = 32,216.10 × 7,444.04
  4. Step 4: Simplify right side
    21,485.26x = 239,817,946.77
  5. Step 5: Solve for x
    x = 239,817,946.77/21,485.26
  6. Step 6: Final answer
    x = 11,161.97

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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.