Home / 23,006.16-31,749.30-12,936.39

Finding the Fourth Proportional to 23,006.16, 31,749.30 and 12,936.39

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Solution

The fourth proportional to 23,006.16, 31,749.30 and 12,936.39 is: 17,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,006.16 : 31,749.30 = 12,936.39 : x
  2. Step 2: Convert to fraction form
    23,006.16/31,749.30 = 12,936.39/x
  3. Step 3: Cross multiply
    23,006.16x = 31,749.30 × 12,936.39
  4. Step 4: Simplify right side
    23,006.16x = 410,721,327.03
  5. Step 5: Solve for x
    x = 410,721,327.03/23,006.16
  6. Step 6: Final answer
    x = 17,852.67

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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.