Home / 18,569.58-25,621.87-11,012.07

Finding the Fourth Proportional to 18,569.58, 25,621.87 and 11,012.07

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Solution

The fourth proportional to 18,569.58, 25,621.87 and 11,012.07 is: 15,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.58 : 25,621.87 = 11,012.07 : x
  2. Step 2: Convert to fraction form
    18,569.58/25,621.87 = 11,012.07/x
  3. Step 3: Cross multiply
    18,569.58x = 25,621.87 × 11,012.07
  4. Step 4: Simplify right side
    18,569.58x = 282,149,825.97
  5. Step 5: Solve for x
    x = 282,149,825.97/18,569.58
  6. Step 6: Final answer
    x = 15,194.20

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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.