Home / 14,196.36-21,276.09-7,614.86

Finding the Fourth Proportional to 14,196.36, 21,276.09 and 7,614.86

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Solution

The fourth proportional to 14,196.36, 21,276.09 and 7,614.86 is: 11,412.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,196.36 : 21,276.09 = 7,614.86 : x
  2. Step 2: Convert to fraction form
    14,196.36/21,276.09 = 7,614.86/x
  3. Step 3: Cross multiply
    14,196.36x = 21,276.09 × 7,614.86
  4. Step 4: Simplify right side
    14,196.36x = 162,014,481.41
  5. Step 5: Solve for x
    x = 162,014,481.41/14,196.36
  6. Step 6: Final answer
    x = 11,412.39

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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.