Home / 13,942.04-19,235.30-7,969.48

Finding the Fourth Proportional to 13,942.04, 19,235.30 and 7,969.48

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Solution

The fourth proportional to 13,942.04, 19,235.30 and 7,969.48 is: 10,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.04 : 19,235.30 = 7,969.48 : x
  2. Step 2: Convert to fraction form
    13,942.04/19,235.30 = 7,969.48/x
  3. Step 3: Cross multiply
    13,942.04x = 19,235.30 × 7,969.48
  4. Step 4: Simplify right side
    13,942.04x = 153,295,250.71
  5. Step 5: Solve for x
    x = 153,295,250.71/13,942.04
  6. Step 6: Final answer
    x = 10,995.18

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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.