Home / 14,697.89-20,282.51-7,983.36

Finding the Fourth Proportional to 14,697.89, 20,282.51 and 7,983.36

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Solution

The fourth proportional to 14,697.89, 20,282.51 and 7,983.36 is: 11,016.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,697.89 : 20,282.51 = 7,983.36 : x
  2. Step 2: Convert to fraction form
    14,697.89/20,282.51 = 7,983.36/x
  3. Step 3: Cross multiply
    14,697.89x = 20,282.51 × 7,983.36
  4. Step 4: Simplify right side
    14,697.89x = 161,922,539.12
  5. Step 5: Solve for x
    x = 161,922,539.12/14,697.89
  6. Step 6: Final answer
    x = 11,016.72

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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.