Home / 13,324.03-19,986.01-12,512.07

Finding the Fourth Proportional to 13,324.03, 19,986.01 and 12,512.07

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Solution

The fourth proportional to 13,324.03, 19,986.01 and 12,512.07 is: 18,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.03 : 19,986.01 = 12,512.07 : x
  2. Step 2: Convert to fraction form
    13,324.03/19,986.01 = 12,512.07/x
  3. Step 3: Cross multiply
    13,324.03x = 19,986.01 × 12,512.07
  4. Step 4: Simplify right side
    13,324.03x = 250,066,324.86
  5. Step 5: Solve for x
    x = 250,066,324.86/13,324.03
  6. Step 6: Final answer
    x = 18,768.07

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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.