Home / 13,840.53-19,100.51-7,873.23

Finding the Fourth Proportional to 13,840.53, 19,100.51 and 7,873.23

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Solution

The fourth proportional to 13,840.53, 19,100.51 and 7,873.23 is: 10,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.53 : 19,100.51 = 7,873.23 : x
  2. Step 2: Convert to fraction form
    13,840.53/19,100.51 = 7,873.23/x
  3. Step 3: Cross multiply
    13,840.53x = 19,100.51 × 7,873.23
  4. Step 4: Simplify right side
    13,840.53x = 150,382,668.98
  5. Step 5: Solve for x
    x = 150,382,668.98/13,840.53
  6. Step 6: Final answer
    x = 10,865.38

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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.