Home / 18,528.09-25,568.74-10,144.59

Finding the Fourth Proportional to 18,528.09, 25,568.74 and 10,144.59

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Solution

The fourth proportional to 18,528.09, 25,568.74 and 10,144.59 is: 13,999.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.09 : 25,568.74 = 10,144.59 : x
  2. Step 2: Convert to fraction form
    18,528.09/25,568.74 = 10,144.59/x
  3. Step 3: Cross multiply
    18,528.09x = 25,568.74 × 10,144.59
  4. Step 4: Simplify right side
    18,528.09x = 259,384,384.12
  5. Step 5: Solve for x
    x = 259,384,384.12/18,528.09
  6. Step 6: Final answer
    x = 13,999.52

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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.