Home / 25,945.92-35,769.60-19,569.60

Finding the Fourth Proportional to 25,945.92, 35,769.60 and 19,569.60

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Solution

The fourth proportional to 25,945.92, 35,769.60 and 19,569.60 is: 26,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,945.92 : 35,769.60 = 19,569.60 : x
  2. Step 2: Convert to fraction form
    25,945.92/35,769.60 = 19,569.60/x
  3. Step 3: Cross multiply
    25,945.92x = 35,769.60 × 19,569.60
  4. Step 4: Simplify right side
    25,945.92x = 699,996,764.16
  5. Step 5: Solve for x
    x = 699,996,764.16/25,945.92
  6. Step 6: Final answer
    x = 26,979.07

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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.