Home / 18,589.73-25,653.26-10,091.45

Finding the Fourth Proportional to 18,589.73, 25,653.26 and 10,091.45

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Solution

The fourth proportional to 18,589.73, 25,653.26 and 10,091.45 is: 13,925.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589.73 : 25,653.26 = 10,091.45 : x
  2. Step 2: Convert to fraction form
    18,589.73/25,653.26 = 10,091.45/x
  3. Step 3: Cross multiply
    18,589.73x = 25,653.26 × 10,091.45
  4. Step 4: Simplify right side
    18,589.73x = 258,878,540.17
  5. Step 5: Solve for x
    x = 258,878,540.17/18,589.73
  6. Step 6: Final answer
    x = 13,925.89

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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.