Home / 21,852.25-32,802.69-11,319.46

Finding the Fourth Proportional to 21,852.25, 32,802.69 and 11,319.46

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Solution

The fourth proportional to 21,852.25, 32,802.69 and 11,319.46 is: 16,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,852.25 : 32,802.69 = 11,319.46 : x
  2. Step 2: Convert to fraction form
    21,852.25/32,802.69 = 11,319.46/x
  3. Step 3: Cross multiply
    21,852.25x = 32,802.69 × 11,319.46
  4. Step 4: Simplify right side
    21,852.25x = 371,308,737.35
  5. Step 5: Solve for x
    x = 371,308,737.35/21,852.25
  6. Step 6: Final answer
    x = 16,991.79

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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.