Home / 14,223.96-21,324.42-12,667.02

Finding the Fourth Proportional to 14,223.96, 21,324.42 and 12,667.02

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Solution

The fourth proportional to 14,223.96, 21,324.42 and 12,667.02 is: 18,990.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.96 : 21,324.42 = 12,667.02 : x
  2. Step 2: Convert to fraction form
    14,223.96/21,324.42 = 12,667.02/x
  3. Step 3: Cross multiply
    14,223.96x = 21,324.42 × 12,667.02
  4. Step 4: Simplify right side
    14,223.96x = 270,116,854.63
  5. Step 5: Solve for x
    x = 270,116,854.63/14,223.96
  6. Step 6: Final answer
    x = 18,990.27

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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.