Home / 14,346.61-21,521.15-3,958.36

Finding the Fourth Proportional to 14,346.61, 21,521.15 and 3,958.36

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Solution

The fourth proportional to 14,346.61, 21,521.15 and 3,958.36 is: 5,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.61 : 21,521.15 = 3,958.36 : x
  2. Step 2: Convert to fraction form
    14,346.61/21,521.15 = 3,958.36/x
  3. Step 3: Cross multiply
    14,346.61x = 21,521.15 × 3,958.36
  4. Step 4: Simplify right side
    14,346.61x = 85,188,415.41
  5. Step 5: Solve for x
    x = 85,188,415.41/14,346.61
  6. Step 6: Final answer
    x = 5,937.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.