Home / 14,512.10-20,003.54-11,440.93

Finding the Fourth Proportional to 14,512.10, 20,003.54 and 11,440.93

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Solution

The fourth proportional to 14,512.10, 20,003.54 and 11,440.93 is: 15,770.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.10 : 20,003.54 = 11,440.93 : x
  2. Step 2: Convert to fraction form
    14,512.10/20,003.54 = 11,440.93/x
  3. Step 3: Cross multiply
    14,512.10x = 20,003.54 × 11,440.93
  4. Step 4: Simplify right side
    14,512.10x = 228,859,100.89
  5. Step 5: Solve for x
    x = 228,859,100.89/14,512.10
  6. Step 6: Final answer
    x = 15,770.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.