Home / 18,401.32-25,394.52-10,443.88

Finding the Fourth Proportional to 18,401.32, 25,394.52 and 10,443.88

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Solution

The fourth proportional to 18,401.32, 25,394.52 and 10,443.88 is: 14,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.32 : 25,394.52 = 10,443.88 : x
  2. Step 2: Convert to fraction form
    18,401.32/25,394.52 = 10,443.88/x
  3. Step 3: Cross multiply
    18,401.32x = 25,394.52 × 10,443.88
  4. Step 4: Simplify right side
    18,401.32x = 265,217,319.54
  5. Step 5: Solve for x
    x = 265,217,319.54/18,401.32
  6. Step 6: Final answer
    x = 14,412.95

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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.