Home / 13,237.77-19,864.87-8,249.93

Finding the Fourth Proportional to 13,237.77, 19,864.87 and 8,249.93

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Solution

The fourth proportional to 13,237.77, 19,864.87 and 8,249.93 is: 12,380.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.77 : 19,864.87 = 8,249.93 : x
  2. Step 2: Convert to fraction form
    13,237.77/19,864.87 = 8,249.93/x
  3. Step 3: Cross multiply
    13,237.77x = 19,864.87 × 8,249.93
  4. Step 4: Simplify right side
    13,237.77x = 163,883,786.96
  5. Step 5: Solve for x
    x = 163,883,786.96/13,237.77
  6. Step 6: Final answer
    x = 12,380.01

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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.