Home / 18,328.72-25,292.39-10,370.42

Finding the Fourth Proportional to 18,328.72, 25,292.39 and 10,370.42

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Solution

The fourth proportional to 18,328.72, 25,292.39 and 10,370.42 is: 14,310.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.72 : 25,292.39 = 10,370.42 : x
  2. Step 2: Convert to fraction form
    18,328.72/25,292.39 = 10,370.42/x
  3. Step 3: Cross multiply
    18,328.72x = 25,292.39 × 10,370.42
  4. Step 4: Simplify right side
    18,328.72x = 262,292,707.10
  5. Step 5: Solve for x
    x = 262,292,707.10/18,328.72
  6. Step 6: Final answer
    x = 14,310.48

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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.