Home / 13,226.80-19,840.96-4,795.12

Finding the Fourth Proportional to 13,226.80, 19,840.96 and 4,795.12

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Solution

The fourth proportional to 13,226.80, 19,840.96 and 4,795.12 is: 7,192.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.80 : 19,840.96 = 4,795.12 : x
  2. Step 2: Convert to fraction form
    13,226.80/19,840.96 = 4,795.12/x
  3. Step 3: Cross multiply
    13,226.80x = 19,840.96 × 4,795.12
  4. Step 4: Simplify right side
    13,226.80x = 95,139,784.12
  5. Step 5: Solve for x
    x = 95,139,784.12/13,226.80
  6. Step 6: Final answer
    x = 7,192.96

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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.