Home / 13,793.08-19,016.66-10,021.72

Finding the Fourth Proportional to 13,793.08, 19,016.66 and 10,021.72

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Solution

The fourth proportional to 13,793.08, 19,016.66 and 10,021.72 is: 13,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.08 : 19,016.66 = 10,021.72 : x
  2. Step 2: Convert to fraction form
    13,793.08/19,016.66 = 10,021.72/x
  3. Step 3: Cross multiply
    13,793.08x = 19,016.66 × 10,021.72
  4. Step 4: Simplify right side
    13,793.08x = 190,579,641.86
  5. Step 5: Solve for x
    x = 190,579,641.86/13,793.08
  6. Step 6: Final answer
    x = 13,817.05

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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.