Home / 18,412.62-25,409.91-10,029.66

Finding the Fourth Proportional to 18,412.62, 25,409.91 and 10,029.66

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Solution

The fourth proportional to 18,412.62, 25,409.91 and 10,029.66 is: 13,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412.62 : 25,409.91 = 10,029.66 : x
  2. Step 2: Convert to fraction form
    18,412.62/25,409.91 = 10,029.66/x
  3. Step 3: Cross multiply
    18,412.62x = 25,409.91 × 10,029.66
  4. Step 4: Simplify right side
    18,412.62x = 254,852,757.93
  5. Step 5: Solve for x
    x = 254,852,757.93/18,412.62
  6. Step 6: Final answer
    x = 13,841.20

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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.