Home / 13,986.05-19,294.67-8,016.35

Finding the Fourth Proportional to 13,986.05, 19,294.67 and 8,016.35

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Solution

The fourth proportional to 13,986.05, 19,294.67 and 8,016.35 is: 11,059.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986.05 : 19,294.67 = 8,016.35 : x
  2. Step 2: Convert to fraction form
    13,986.05/19,294.67 = 8,016.35/x
  3. Step 3: Cross multiply
    13,986.05x = 19,294.67 × 8,016.35
  4. Step 4: Simplify right side
    13,986.05x = 154,672,751.42
  5. Step 5: Solve for x
    x = 154,672,751.42/13,986.05
  6. Step 6: Final answer
    x = 11,059.08

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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.