Home / 18,585.86-25,647.91-10,087.58

Finding the Fourth Proportional to 18,585.86, 25,647.91 and 10,087.58

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Solution

The fourth proportional to 18,585.86, 25,647.91 and 10,087.58 is: 13,920.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.86 : 25,647.91 = 10,087.58 : x
  2. Step 2: Convert to fraction form
    18,585.86/25,647.91 = 10,087.58/x
  3. Step 3: Cross multiply
    18,585.86x = 25,647.91 × 10,087.58
  4. Step 4: Simplify right side
    18,585.86x = 258,725,190.50
  5. Step 5: Solve for x
    x = 258,725,190.50/18,585.86
  6. Step 6: Final answer
    x = 13,920.54

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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.