Home / 16,803.37-23,187.63-9,728.43

Finding the Fourth Proportional to 16,803.37, 23,187.63 and 9,728.43

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Solution

The fourth proportional to 16,803.37, 23,187.63 and 9,728.43 is: 13,424.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803.37 : 23,187.63 = 9,728.43 : x
  2. Step 2: Convert to fraction form
    16,803.37/23,187.63 = 9,728.43/x
  3. Step 3: Cross multiply
    16,803.37x = 23,187.63 × 9,728.43
  4. Step 4: Simplify right side
    16,803.37x = 225,579,235.32
  5. Step 5: Solve for x
    x = 225,579,235.32/16,803.37
  6. Step 6: Final answer
    x = 13,424.64

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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.