Home / 14,118.36-21,192.84-10,618.35

Finding the Fourth Proportional to 14,118.36, 21,192.84 and 10,618.35

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Solution

The fourth proportional to 14,118.36, 21,192.84 and 10,618.35 is: 15,939.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.36 : 21,192.84 = 10,618.35 : x
  2. Step 2: Convert to fraction form
    14,118.36/21,192.84 = 10,618.35/x
  3. Step 3: Cross multiply
    14,118.36x = 21,192.84 × 10,618.35
  4. Step 4: Simplify right side
    14,118.36x = 225,032,992.61
  5. Step 5: Solve for x
    x = 225,032,992.61/14,118.36
  6. Step 6: Final answer
    x = 15,939.03

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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.