Home / 13,896.81-20,848.46-4,036.28

Finding the Fourth Proportional to 13,896.81, 20,848.46 and 4,036.28

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Solution

The fourth proportional to 13,896.81, 20,848.46 and 4,036.28 is: 6,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.81 : 20,848.46 = 4,036.28 : x
  2. Step 2: Convert to fraction form
    13,896.81/20,848.46 = 4,036.28/x
  3. Step 3: Cross multiply
    13,896.81x = 20,848.46 × 4,036.28
  4. Step 4: Simplify right side
    13,896.81x = 84,150,097.71
  5. Step 5: Solve for x
    x = 84,150,097.71/13,896.81
  6. Step 6: Final answer
    x = 6,055.35

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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.