Home / 23,112.24-31,894.86-13,040.67

Finding the Fourth Proportional to 23,112.24, 31,894.86 and 13,040.67

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Solution

The fourth proportional to 23,112.24, 31,894.86 and 13,040.67 is: 17,996.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,112.24 : 31,894.86 = 13,040.67 : x
  2. Step 2: Convert to fraction form
    23,112.24/31,894.86 = 13,040.67/x
  3. Step 3: Cross multiply
    23,112.24x = 31,894.86 × 13,040.67
  4. Step 4: Simplify right side
    23,112.24x = 415,930,343.96
  5. Step 5: Solve for x
    x = 415,930,343.96/23,112.24
  6. Step 6: Final answer
    x = 17,996.11

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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.