Home / 19,365.29-29,049.33-8,109.30

Finding the Fourth Proportional to 19,365.29, 29,049.33 and 8,109.30

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Solution

The fourth proportional to 19,365.29, 29,049.33 and 8,109.30 is: 12,164.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.29 : 29,049.33 = 8,109.30 : x
  2. Step 2: Convert to fraction form
    19,365.29/29,049.33 = 8,109.30/x
  3. Step 3: Cross multiply
    19,365.29x = 29,049.33 × 8,109.30
  4. Step 4: Simplify right side
    19,365.29x = 235,569,731.77
  5. Step 5: Solve for x
    x = 235,569,731.77/19,365.29
  6. Step 6: Final answer
    x = 12,164.53

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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.