Home / 12,846.14-19,256.16-8,686.62

Finding the Fourth Proportional to 12,846.14, 19,256.16 and 8,686.62

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Solution

The fourth proportional to 12,846.14, 19,256.16 and 8,686.62 is: 13,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846.14 : 19,256.16 = 8,686.62 : x
  2. Step 2: Convert to fraction form
    12,846.14/19,256.16 = 8,686.62/x
  3. Step 3: Cross multiply
    12,846.14x = 19,256.16 × 8,686.62
  4. Step 4: Simplify right side
    12,846.14x = 167,270,944.58
  5. Step 5: Solve for x
    x = 167,270,944.58/12,846.14
  6. Step 6: Final answer
    x = 13,021.11

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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.