Home / 14,118.12-21,186.90-6,335.64

Finding the Fourth Proportional to 14,118.12, 21,186.90 and 6,335.64

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Solution

The fourth proportional to 14,118.12, 21,186.90 and 6,335.64 is: 9,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.12 : 21,186.90 = 6,335.64 : x
  2. Step 2: Convert to fraction form
    14,118.12/21,186.90 = 6,335.64/x
  3. Step 3: Cross multiply
    14,118.12x = 21,186.90 × 6,335.64
  4. Step 4: Simplify right side
    14,118.12x = 134,232,571.12
  5. Step 5: Solve for x
    x = 134,232,571.12/14,118.12
  6. Step 6: Final answer
    x = 9,507.82

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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.