Home / 13,964.23-19,271.42-7,994.53

Finding the Fourth Proportional to 13,964.23, 19,271.42 and 7,994.53

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Solution

The fourth proportional to 13,964.23, 19,271.42 and 7,994.53 is: 11,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.23 : 19,271.42 = 7,994.53 : x
  2. Step 2: Convert to fraction form
    13,964.23/19,271.42 = 7,994.53/x
  3. Step 3: Cross multiply
    13,964.23x = 19,271.42 × 7,994.53
  4. Step 4: Simplify right side
    13,964.23x = 154,065,945.33
  5. Step 5: Solve for x
    x = 154,065,945.33/13,964.23
  6. Step 6: Final answer
    x = 11,032.90

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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.