Home / 14,880.08-20,533.84-8,165.54

Finding the Fourth Proportional to 14,880.08, 20,533.84 and 8,165.54

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Solution

The fourth proportional to 14,880.08, 20,533.84 and 8,165.54 is: 11,268.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,880.08 : 20,533.84 = 8,165.54 : x
  2. Step 2: Convert to fraction form
    14,880.08/20,533.84 = 8,165.54/x
  3. Step 3: Cross multiply
    14,880.08x = 20,533.84 × 8,165.54
  4. Step 4: Simplify right side
    14,880.08x = 167,669,891.87
  5. Step 5: Solve for x
    x = 167,669,891.87/14,880.08
  6. Step 6: Final answer
    x = 11,268.08

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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.