Home / 14,260.44-19,679.54-7,886.70

Finding the Fourth Proportional to 14,260.44, 19,679.54 and 7,886.70

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Solution

The fourth proportional to 14,260.44, 19,679.54 and 7,886.70 is: 10,883.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.44 : 19,679.54 = 7,886.70 : x
  2. Step 2: Convert to fraction form
    14,260.44/19,679.54 = 7,886.70/x
  3. Step 3: Cross multiply
    14,260.44x = 19,679.54 × 7,886.70
  4. Step 4: Simplify right side
    14,260.44x = 155,206,628.12
  5. Step 5: Solve for x
    x = 155,206,628.12/14,260.44
  6. Step 6: Final answer
    x = 10,883.72

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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.