Home / 13,947.64-19,244.31-7,898.02

Finding the Fourth Proportional to 13,947.64, 19,244.31 and 7,898.02

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Solution

The fourth proportional to 13,947.64, 19,244.31 and 7,898.02 is: 10,897.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.64 : 19,244.31 = 7,898.02 : x
  2. Step 2: Convert to fraction form
    13,947.64/19,244.31 = 7,898.02/x
  3. Step 3: Cross multiply
    13,947.64x = 19,244.31 × 7,898.02
  4. Step 4: Simplify right side
    13,947.64x = 151,991,945.27
  5. Step 5: Solve for x
    x = 151,991,945.27/13,947.64
  6. Step 6: Final answer
    x = 10,897.32

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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.