Home / 18,589.60-25,653.54-10,091.89

Finding the Fourth Proportional to 18,589.60, 25,653.54 and 10,091.89

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Solution

The fourth proportional to 18,589.60, 25,653.54 and 10,091.89 is: 13,926.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589.60 : 25,653.54 = 10,091.89 : x
  2. Step 2: Convert to fraction form
    18,589.60/25,653.54 = 10,091.89/x
  3. Step 3: Cross multiply
    18,589.60x = 25,653.54 × 10,091.89
  4. Step 4: Simplify right side
    18,589.60x = 258,892,703.79
  5. Step 5: Solve for x
    x = 258,892,703.79/18,589.60
  6. Step 6: Final answer
    x = 13,926.75

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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.