Home / 12,983.93-17,924.70-10,403.60

Finding the Fourth Proportional to 12,983.93, 17,924.70 and 10,403.60

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Solution

The fourth proportional to 12,983.93, 17,924.70 and 10,403.60 is: 14,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983.93 : 17,924.70 = 10,403.60 : x
  2. Step 2: Convert to fraction form
    12,983.93/17,924.70 = 10,403.60/x
  3. Step 3: Cross multiply
    12,983.93x = 17,924.70 × 10,403.60
  4. Step 4: Simplify right side
    12,983.93x = 186,481,408.92
  5. Step 5: Solve for x
    x = 186,481,408.92/12,983.93
  6. Step 6: Final answer
    x = 14,362.48

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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.