Home / 30,425.68-41,983.64-16,993.36

Finding the Fourth Proportional to 30,425.68, 41,983.64 and 16,993.36

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Solution

The fourth proportional to 30,425.68, 41,983.64 and 16,993.36 is: 23,448.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,425.68 : 41,983.64 = 16,993.36 : x
  2. Step 2: Convert to fraction form
    30,425.68/41,983.64 = 16,993.36/x
  3. Step 3: Cross multiply
    30,425.68x = 41,983.64 × 16,993.36
  4. Step 4: Simplify right side
    30,425.68x = 713,443,108.63
  5. Step 5: Solve for x
    x = 713,443,108.63/30,425.68
  6. Step 6: Final answer
    x = 23,448.72

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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.