Home / 18,585.39-25,648.04-10,087.59

Finding the Fourth Proportional to 18,585.39, 25,648.04 and 10,087.59

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Solution

The fourth proportional to 18,585.39, 25,648.04 and 10,087.59 is: 13,920.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.39 : 25,648.04 = 10,087.59 : x
  2. Step 2: Convert to fraction form
    18,585.39/25,648.04 = 10,087.59/x
  3. Step 3: Cross multiply
    18,585.39x = 25,648.04 × 10,087.59
  4. Step 4: Simplify right side
    18,585.39x = 258,726,861.39
  5. Step 5: Solve for x
    x = 258,726,861.39/18,585.39
  6. Step 6: Final answer
    x = 13,920.98

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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.