Home / 14,262.37-19,682.41-7,889.39

Finding the Fourth Proportional to 14,262.37, 19,682.41 and 7,889.39

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Solution

The fourth proportional to 14,262.37, 19,682.41 and 7,889.39 is: 10,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,262.37 : 19,682.41 = 7,889.39 : x
  2. Step 2: Convert to fraction form
    14,262.37/19,682.41 = 7,889.39/x
  3. Step 3: Cross multiply
    14,262.37x = 19,682.41 × 7,889.39
  4. Step 4: Simplify right side
    14,262.37x = 155,282,208.63
  5. Step 5: Solve for x
    x = 155,282,208.63/14,262.37
  6. Step 6: Final answer
    x = 10,887.55

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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.