Home / 16,840.81-25,263.96-7,484.05

Finding the Fourth Proportional to 16,840.81, 25,263.96 and 7,484.05

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Solution

The fourth proportional to 16,840.81, 25,263.96 and 7,484.05 is: 11,227.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840.81 : 25,263.96 = 7,484.05 : x
  2. Step 2: Convert to fraction form
    16,840.81/25,263.96 = 7,484.05/x
  3. Step 3: Cross multiply
    16,840.81x = 25,263.96 × 7,484.05
  4. Step 4: Simplify right side
    16,840.81x = 189,076,739.84
  5. Step 5: Solve for x
    x = 189,076,739.84/16,840.81
  6. Step 6: Final answer
    x = 11,227.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.