Home / 13,956.92-19,259.56-7,905.44

Finding the Fourth Proportional to 13,956.92, 19,259.56 and 7,905.44

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Solution

The fourth proportional to 13,956.92, 19,259.56 and 7,905.44 is: 10,908.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.92 : 19,259.56 = 7,905.44 : x
  2. Step 2: Convert to fraction form
    13,956.92/19,259.56 = 7,905.44/x
  3. Step 3: Cross multiply
    13,956.92x = 19,259.56 × 7,905.44
  4. Step 4: Simplify right side
    13,956.92x = 152,255,296.01
  5. Step 5: Solve for x
    x = 152,255,296.01/13,956.92
  6. Step 6: Final answer
    x = 10,908.95

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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.