Home / 13,007.06-19,512.64-4,239.94

Finding the Fourth Proportional to 13,007.06, 19,512.64 and 4,239.94

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Solution

The fourth proportional to 13,007.06, 19,512.64 and 4,239.94 is: 6,360.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.06 : 19,512.64 = 4,239.94 : x
  2. Step 2: Convert to fraction form
    13,007.06/19,512.64 = 4,239.94/x
  3. Step 3: Cross multiply
    13,007.06x = 19,512.64 × 4,239.94
  4. Step 4: Simplify right side
    13,007.06x = 82,732,422.84
  5. Step 5: Solve for x
    x = 82,732,422.84/13,007.06
  6. Step 6: Final answer
    x = 6,360.58

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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.