Home / 14,401.21-19,863.42-9,356.07

Finding the Fourth Proportional to 14,401.21, 19,863.42 and 9,356.07

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Solution

The fourth proportional to 14,401.21, 19,863.42 and 9,356.07 is: 12,904.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401.21 : 19,863.42 = 9,356.07 : x
  2. Step 2: Convert to fraction form
    14,401.21/19,863.42 = 9,356.07/x
  3. Step 3: Cross multiply
    14,401.21x = 19,863.42 × 9,356.07
  4. Step 4: Simplify right side
    14,401.21x = 185,843,597.62
  5. Step 5: Solve for x
    x = 185,843,597.62/14,401.21
  6. Step 6: Final answer
    x = 12,904.72

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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.