Home / 13,814.37-19,066.32-8,148.79

Finding the Fourth Proportional to 13,814.37, 19,066.32 and 8,148.79

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Solution

The fourth proportional to 13,814.37, 19,066.32 and 8,148.79 is: 11,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814.37 : 19,066.32 = 8,148.79 : x
  2. Step 2: Convert to fraction form
    13,814.37/19,066.32 = 8,148.79/x
  3. Step 3: Cross multiply
    13,814.37x = 19,066.32 × 8,148.79
  4. Step 4: Simplify right side
    13,814.37x = 155,367,437.75
  5. Step 5: Solve for x
    x = 155,367,437.75/13,814.37
  6. Step 6: Final answer
    x = 11,246.80

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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.