Home / 21,852.20-32,778.48-6,270.32

Finding the Fourth Proportional to 21,852.20, 32,778.48 and 6,270.32

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Solution

The fourth proportional to 21,852.20, 32,778.48 and 6,270.32 is: 9,405.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,852.20 : 32,778.48 = 6,270.32 : x
  2. Step 2: Convert to fraction form
    21,852.20/32,778.48 = 6,270.32/x
  3. Step 3: Cross multiply
    21,852.20x = 32,778.48 × 6,270.32
  4. Step 4: Simplify right side
    21,852.20x = 205,531,558.71
  5. Step 5: Solve for x
    x = 205,531,558.71/21,852.20
  6. Step 6: Final answer
    x = 9,405.53

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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.