Home / 14,076.72-21,073.01-8,513.23

Finding the Fourth Proportional to 14,076.72, 21,073.01 and 8,513.23

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Solution

The fourth proportional to 14,076.72, 21,073.01 and 8,513.23 is: 12,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,076.72 : 21,073.01 = 8,513.23 : x
  2. Step 2: Convert to fraction form
    14,076.72/21,073.01 = 8,513.23/x
  3. Step 3: Cross multiply
    14,076.72x = 21,073.01 × 8,513.23
  4. Step 4: Simplify right side
    14,076.72x = 179,399,338.36
  5. Step 5: Solve for x
    x = 179,399,338.36/14,076.72
  6. Step 6: Final answer
    x = 12,744.40

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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.