Home / 18,537.12-25,580.79-10,578.60

Finding the Fourth Proportional to 18,537.12, 25,580.79 and 10,578.60

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Solution

The fourth proportional to 18,537.12, 25,580.79 and 10,578.60 is: 14,598.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.12 : 25,580.79 = 10,578.60 : x
  2. Step 2: Convert to fraction form
    18,537.12/25,580.79 = 10,578.60/x
  3. Step 3: Cross multiply
    18,537.12x = 25,580.79 × 10,578.60
  4. Step 4: Simplify right side
    18,537.12x = 270,608,945.09
  5. Step 5: Solve for x
    x = 270,608,945.09/18,537.12
  6. Step 6: Final answer
    x = 14,598.22

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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.