Home / 14,262.56-19,683.24-7,975.40

Finding the Fourth Proportional to 14,262.56, 19,683.24 and 7,975.40

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Solution

The fourth proportional to 14,262.56, 19,683.24 and 7,975.40 is: 11,006.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,262.56 : 19,683.24 = 7,975.40 : x
  2. Step 2: Convert to fraction form
    14,262.56/19,683.24 = 7,975.40/x
  3. Step 3: Cross multiply
    14,262.56x = 19,683.24 × 7,975.40
  4. Step 4: Simplify right side
    14,262.56x = 156,981,712.30
  5. Step 5: Solve for x
    x = 156,981,712.30/14,262.56
  6. Step 6: Final answer
    x = 11,006.56

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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.