Home / 18,589.02-25,653.03-10,091.21

Finding the Fourth Proportional to 18,589.02, 25,653.03 and 10,091.21

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Solution

The fourth proportional to 18,589.02, 25,653.03 and 10,091.21 is: 13,925.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589.02 : 25,653.03 = 10,091.21 : x
  2. Step 2: Convert to fraction form
    18,589.02/25,653.03 = 10,091.21/x
  3. Step 3: Cross multiply
    18,589.02x = 25,653.03 × 10,091.21
  4. Step 4: Simplify right side
    18,589.02x = 258,870,112.87
  5. Step 5: Solve for x
    x = 258,870,112.87/18,589.02
  6. Step 6: Final answer
    x = 13,925.97

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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.