Home / 14,569.26-20,105.56-7,945.26

Finding the Fourth Proportional to 14,569.26, 20,105.56 and 7,945.26

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Solution

The fourth proportional to 14,569.26, 20,105.56 and 7,945.26 is: 10,964.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569.26 : 20,105.56 = 7,945.26 : x
  2. Step 2: Convert to fraction form
    14,569.26/20,105.56 = 7,945.26/x
  3. Step 3: Cross multiply
    14,569.26x = 20,105.56 × 7,945.26
  4. Step 4: Simplify right side
    14,569.26x = 159,743,901.65
  5. Step 5: Solve for x
    x = 159,743,901.65/14,569.26
  6. Step 6: Final answer
    x = 10,964.45

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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.