Home / 13,947.52-20,913.72-4,707.04

Finding the Fourth Proportional to 13,947.52, 20,913.72 and 4,707.04

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Solution

The fourth proportional to 13,947.52, 20,913.72 and 4,707.04 is: 7,058.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.52 : 20,913.72 = 4,707.04 : x
  2. Step 2: Convert to fraction form
    13,947.52/20,913.72 = 4,707.04/x
  3. Step 3: Cross multiply
    13,947.52x = 20,913.72 × 4,707.04
  4. Step 4: Simplify right side
    13,947.52x = 98,441,716.59
  5. Step 5: Solve for x
    x = 98,441,716.59/13,947.52
  6. Step 6: Final answer
    x = 7,058.01

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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.