Home / 14,747.16-20,370.99-11,783.79

Finding the Fourth Proportional to 14,747.16, 20,370.99 and 11,783.79

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Solution

The fourth proportional to 14,747.16, 20,370.99 and 11,783.79 is: 16,277.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747.16 : 20,370.99 = 11,783.79 : x
  2. Step 2: Convert to fraction form
    14,747.16/20,370.99 = 11,783.79/x
  3. Step 3: Cross multiply
    14,747.16x = 20,370.99 × 11,783.79
  4. Step 4: Simplify right side
    14,747.16x = 240,047,468.25
  5. Step 5: Solve for x
    x = 240,047,468.25/14,747.16
  6. Step 6: Final answer
    x = 16,277.54

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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.