Home / 18,401.33-25,393.08-10,443.41

Finding the Fourth Proportional to 18,401.33, 25,393.08 and 10,443.41

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Solution

The fourth proportional to 18,401.33, 25,393.08 and 10,443.41 is: 14,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.33 : 25,393.08 = 10,443.41 : x
  2. Step 2: Convert to fraction form
    18,401.33/25,393.08 = 10,443.41/x
  3. Step 3: Cross multiply
    18,401.33x = 25,393.08 × 10,443.41
  4. Step 4: Simplify right side
    18,401.33x = 265,190,345.60
  5. Step 5: Solve for x
    x = 265,190,345.60/18,401.33
  6. Step 6: Final answer
    x = 14,411.48

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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.