Home / 43,647.08-65,471.24-12,482.36

Finding the Fourth Proportional to 43,647.08, 65,471.24 and 12,482.36

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Solution

The fourth proportional to 43,647.08, 65,471.24 and 12,482.36 is: 18,723.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,647.08 : 65,471.24 = 12,482.36 : x
  2. Step 2: Convert to fraction form
    43,647.08/65,471.24 = 12,482.36/x
  3. Step 3: Cross multiply
    43,647.08x = 65,471.24 × 12,482.36
  4. Step 4: Simplify right side
    43,647.08x = 817,235,587.33
  5. Step 5: Solve for x
    x = 817,235,587.33/43,647.08
  6. Step 6: Final answer
    x = 18,723.72

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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.