Home / 23,576.37-35,365.65-7,782.78

Finding the Fourth Proportional to 23,576.37, 35,365.65 and 7,782.78

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Solution

The fourth proportional to 23,576.37, 35,365.65 and 7,782.78 is: 11,674.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,576.37 : 35,365.65 = 7,782.78 : x
  2. Step 2: Convert to fraction form
    23,576.37/35,365.65 = 7,782.78/x
  3. Step 3: Cross multiply
    23,576.37x = 35,365.65 × 7,782.78
  4. Step 4: Simplify right side
    23,576.37x = 275,243,073.51
  5. Step 5: Solve for x
    x = 275,243,073.51/23,576.37
  6. Step 6: Final answer
    x = 11,674.53

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.