Home / 15,799.24-21,802.96-8,629.25

Finding the Fourth Proportional to 15,799.24, 21,802.96 and 8,629.25

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Solution

The fourth proportional to 15,799.24, 21,802.96 and 8,629.25 is: 11,908.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,799.24 : 21,802.96 = 8,629.25 : x
  2. Step 2: Convert to fraction form
    15,799.24/21,802.96 = 8,629.25/x
  3. Step 3: Cross multiply
    15,799.24x = 21,802.96 × 8,629.25
  4. Step 4: Simplify right side
    15,799.24x = 188,143,192.58
  5. Step 5: Solve for x
    x = 188,143,192.58/15,799.24
  6. Step 6: Final answer
    x = 11,908.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.