Home / 22,185.02-30,563.28-15,458.43

Finding the Fourth Proportional to 22,185.02, 30,563.28 and 15,458.43

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Solution

The fourth proportional to 22,185.02, 30,563.28 and 15,458.43 is: 21,296.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,185.02 : 30,563.28 = 15,458.43 : x
  2. Step 2: Convert to fraction form
    22,185.02/30,563.28 = 15,458.43/x
  3. Step 3: Cross multiply
    22,185.02x = 30,563.28 × 15,458.43
  4. Step 4: Simplify right side
    22,185.02x = 472,460,324.45
  5. Step 5: Solve for x
    x = 472,460,324.45/22,185.02
  6. Step 6: Final answer
    x = 21,296.37

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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.