Home / 18,585.23-25,647.62-10,087.35

Finding the Fourth Proportional to 18,585.23, 25,647.62 and 10,087.35

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Solution

The fourth proportional to 18,585.23, 25,647.62 and 10,087.35 is: 13,920.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.23 : 25,647.62 = 10,087.35 : x
  2. Step 2: Convert to fraction form
    18,585.23/25,647.62 = 10,087.35/x
  3. Step 3: Cross multiply
    18,585.23x = 25,647.62 × 10,087.35
  4. Step 4: Simplify right side
    18,585.23x = 258,716,465.80
  5. Step 5: Solve for x
    x = 258,716,465.80/18,585.23
  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.