Home / 54,804.08-82,206.16-13,251.12

Finding the Fourth Proportional to 54,804.08, 82,206.16 and 13,251.12

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Solution

The fourth proportional to 54,804.08, 82,206.16 and 13,251.12 is: 19,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,804.08 : 82,206.16 = 13,251.12 : x
  2. Step 2: Convert to fraction form
    54,804.08/82,206.16 = 13,251.12/x
  3. Step 3: Cross multiply
    54,804.08x = 82,206.16 × 13,251.12
  4. Step 4: Simplify right side
    54,804.08x = 1,089,323,690.90
  5. Step 5: Solve for x
    x = 1,089,323,690.90/54,804.08
  6. Step 6: Final answer
    x = 19,876.69

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1.5x scale

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.