Home / 21,643.30-32,470.70-6,852.52

Finding the Fourth Proportional to 21,643.30, 32,470.70 and 6,852.52

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Solution

The fourth proportional to 21,643.30, 32,470.70 and 6,852.52 is: 10,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,643.30 : 32,470.70 = 6,852.52 : x
  2. Step 2: Convert to fraction form
    21,643.30/32,470.70 = 6,852.52/x
  3. Step 3: Cross multiply
    21,643.30x = 32,470.70 × 6,852.52
  4. Step 4: Simplify right side
    21,643.30x = 222,505,924.55
  5. Step 5: Solve for x
    x = 222,505,924.55/21,643.30
  6. Step 6: Final answer
    x = 10,280.59

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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.