Home / 14,091.56-19,445.54-7,716.86

Finding the Fourth Proportional to 14,091.56, 19,445.54 and 7,716.86

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Solution

The fourth proportional to 14,091.56, 19,445.54 and 7,716.86 is: 10,648.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.56 : 19,445.54 = 7,716.86 : x
  2. Step 2: Convert to fraction form
    14,091.56/19,445.54 = 7,716.86/x
  3. Step 3: Cross multiply
    14,091.56x = 19,445.54 × 7,716.86
  4. Step 4: Simplify right side
    14,091.56x = 150,058,509.80
  5. Step 5: Solve for x
    x = 150,058,509.80/14,091.56
  6. Step 6: Final answer
    x = 10,648.82

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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.