Home / 14,154.96-19,532.16-8,186.88

Finding the Fourth Proportional to 14,154.96, 19,532.16 and 8,186.88

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Solution

The fourth proportional to 14,154.96, 19,532.16 and 8,186.88 is: 11,296.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.96 : 19,532.16 = 8,186.88 : x
  2. Step 2: Convert to fraction form
    14,154.96/19,532.16 = 8,186.88/x
  3. Step 3: Cross multiply
    14,154.96x = 19,532.16 × 8,186.88
  4. Step 4: Simplify right side
    14,154.96x = 159,907,450.06
  5. Step 5: Solve for x
    x = 159,907,450.06/14,154.96
  6. Step 6: Final answer
    x = 11,296.92

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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.