Home / 14,193.52-19,445.21-13,661.45

Finding the Fourth Proportional to 14,193.52, 19,445.21 and 13,661.45

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Solution

The fourth proportional to 14,193.52, 19,445.21 and 13,661.45 is: 18,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.52 : 19,445.21 = 13,661.45 : x
  2. Step 2: Convert to fraction form
    14,193.52/19,445.21 = 13,661.45/x
  3. Step 3: Cross multiply
    14,193.52x = 19,445.21 × 13,661.45
  4. Step 4: Simplify right side
    14,193.52x = 265,649,846.92
  5. Step 5: Solve for x
    x = 265,649,846.92/14,193.52
  6. Step 6: Final answer
    x = 18,716.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.