Home / 16,783.08-23,155.11-9,704.49

Finding the Fourth Proportional to 16,783.08, 23,155.11 and 9,704.49

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Solution

The fourth proportional to 16,783.08, 23,155.11 and 9,704.49 is: 13,388.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.08 : 23,155.11 = 9,704.49 : x
  2. Step 2: Convert to fraction form
    16,783.08/23,155.11 = 9,704.49/x
  3. Step 3: Cross multiply
    16,783.08x = 23,155.11 × 9,704.49
  4. Step 4: Simplify right side
    16,783.08x = 224,708,533.44
  5. Step 5: Solve for x
    x = 224,708,533.44/16,783.08
  6. Step 6: Final answer
    x = 13,388.99

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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.