Home / 23,685.78-35,507.75-9,657.54

Finding the Fourth Proportional to 23,685.78, 35,507.75 and 9,657.54

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Solution

The fourth proportional to 23,685.78, 35,507.75 and 9,657.54 is: 14,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,685.78 : 35,507.75 = 9,657.54 : x
  2. Step 2: Convert to fraction form
    23,685.78/35,507.75 = 9,657.54/x
  3. Step 3: Cross multiply
    23,685.78x = 35,507.75 × 9,657.54
  4. Step 4: Simplify right side
    23,685.78x = 342,917,338.40
  5. Step 5: Solve for x
    x = 342,917,338.40/23,685.78
  6. Step 6: Final answer
    x = 14,477.78

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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.