Home / 14,243.85-19,656.50-7,956.23

Finding the Fourth Proportional to 14,243.85, 19,656.50 and 7,956.23

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Solution

The fourth proportional to 14,243.85, 19,656.50 and 7,956.23 is: 10,979.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.85 : 19,656.50 = 7,956.23 : x
  2. Step 2: Convert to fraction form
    14,243.85/19,656.50 = 7,956.23/x
  3. Step 3: Cross multiply
    14,243.85x = 19,656.50 × 7,956.23
  4. Step 4: Simplify right side
    14,243.85x = 156,391,496.93
  5. Step 5: Solve for x
    x = 156,391,496.93/14,243.85
  6. Step 6: Final answer
    x = 10,979.58

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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.