Home / 25,662.54-35,430.48-19,682.70

Finding the Fourth Proportional to 25,662.54, 35,430.48 and 19,682.70

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Solution

The fourth proportional to 25,662.54, 35,430.48 and 19,682.70 is: 27,174.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,662.54 : 35,430.48 = 19,682.70 : x
  2. Step 2: Convert to fraction form
    25,662.54/35,430.48 = 19,682.70/x
  3. Step 3: Cross multiply
    25,662.54x = 35,430.48 × 19,682.70
  4. Step 4: Simplify right side
    25,662.54x = 697,367,508.70
  5. Step 5: Solve for x
    x = 697,367,508.70/25,662.54
  6. Step 6: Final answer
    x = 27,174.53

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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.