Home / 25,749.93-35,550.96-19,769.70

Finding the Fourth Proportional to 25,749.93, 35,550.96 and 19,769.70

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Solution

The fourth proportional to 25,749.93, 35,550.96 and 19,769.70 is: 27,294.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,749.93 : 35,550.96 = 19,769.70 : x
  2. Step 2: Convert to fraction form
    25,749.93/35,550.96 = 19,769.70/x
  3. Step 3: Cross multiply
    25,749.93x = 35,550.96 × 19,769.70
  4. Step 4: Simplify right side
    25,749.93x = 702,831,813.91
  5. Step 5: Solve for x
    x = 702,831,813.91/25,749.93
  6. Step 6: Final answer
    x = 27,294.51

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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.