Home / 18,569.89-25,629.72-11,020.38

Finding the Fourth Proportional to 18,569.89, 25,629.72 and 11,020.38

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Solution

The fourth proportional to 18,569.89, 25,629.72 and 11,020.38 is: 15,210.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.89 : 25,629.72 = 11,020.38 : x
  2. Step 2: Convert to fraction form
    18,569.89/25,629.72 = 11,020.38/x
  3. Step 3: Cross multiply
    18,569.89x = 25,629.72 × 11,020.38
  4. Step 4: Simplify right side
    18,569.89x = 282,449,253.69
  5. Step 5: Solve for x
    x = 282,449,253.69/18,569.89
  6. Step 6: Final answer
    x = 15,210.07

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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.