Home / 14,244.72-19,657.86-7,956.36

Finding the Fourth Proportional to 14,244.72, 19,657.86 and 7,956.36

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Solution

The fourth proportional to 14,244.72, 19,657.86 and 7,956.36 is: 10,979.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,244.72 : 19,657.86 = 7,956.36 : x
  2. Step 2: Convert to fraction form
    14,244.72/19,657.86 = 7,956.36/x
  3. Step 3: Cross multiply
    14,244.72x = 19,657.86 × 7,956.36
  4. Step 4: Simplify right side
    14,244.72x = 156,405,010.99
  5. Step 5: Solve for x
    x = 156,405,010.99/14,244.72
  6. Step 6: Final answer
    x = 10,979.86

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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.