Home / 18,608.36-25,679.94-10,225.40

Finding the Fourth Proportional to 18,608.36, 25,679.94 and 10,225.40

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Solution

The fourth proportional to 18,608.36, 25,679.94 and 10,225.40 is: 14,111.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.36 : 25,679.94 = 10,225.40 : x
  2. Step 2: Convert to fraction form
    18,608.36/25,679.94 = 10,225.40/x
  3. Step 3: Cross multiply
    18,608.36x = 25,679.94 × 10,225.40
  4. Step 4: Simplify right side
    18,608.36x = 262,587,658.48
  5. Step 5: Solve for x
    x = 262,587,658.48/18,608.36
  6. Step 6: Final answer
    x = 14,111.27

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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.