Home / 13,992.81-19,327.42-10,158.33

Finding the Fourth Proportional to 13,992.81, 19,327.42 and 10,158.33

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Solution

The fourth proportional to 13,992.81, 19,327.42 and 10,158.33 is: 14,031.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.81 : 19,327.42 = 10,158.33 : x
  2. Step 2: Convert to fraction form
    13,992.81/19,327.42 = 10,158.33/x
  3. Step 3: Cross multiply
    13,992.81x = 19,327.42 × 10,158.33
  4. Step 4: Simplify right side
    13,992.81x = 196,334,310.41
  5. Step 5: Solve for x
    x = 196,334,310.41/13,992.81
  6. Step 6: Final answer
    x = 14,031.09

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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.