Home / 23,135.92-31,927.64-12,525.60

Finding the Fourth Proportional to 23,135.92, 31,927.64 and 12,525.60

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Solution

The fourth proportional to 23,135.92, 31,927.64 and 12,525.60 is: 17,285.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.92 : 31,927.64 = 12,525.60 : x
  2. Step 2: Convert to fraction form
    23,135.92/31,927.64 = 12,525.60/x
  3. Step 3: Cross multiply
    23,135.92x = 31,927.64 × 12,525.60
  4. Step 4: Simplify right side
    23,135.92x = 399,912,847.58
  5. Step 5: Solve for x
    x = 399,912,847.58/23,135.92
  6. Step 6: Final answer
    x = 17,285.37

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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.