Home / 12,416.94-18,525.33-11,963.15

Finding the Fourth Proportional to 12,416.94, 18,525.33 and 11,963.15

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Solution

The fourth proportional to 12,416.94, 18,525.33 and 11,963.15 is: 17,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.94 : 18,525.33 = 11,963.15 : x
  2. Step 2: Convert to fraction form
    12,416.94/18,525.33 = 11,963.15/x
  3. Step 3: Cross multiply
    12,416.94x = 18,525.33 × 11,963.15
  4. Step 4: Simplify right side
    12,416.94x = 221,621,208.96
  5. Step 5: Solve for x
    x = 221,621,208.96/12,416.94
  6. Step 6: Final answer
    x = 17,848.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.