Home / 13,940.14-19,232.70-7,967.58

Finding the Fourth Proportional to 13,940.14, 19,232.70 and 7,967.58

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Solution

The fourth proportional to 13,940.14, 19,232.70 and 7,967.58 is: 10,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.14 : 19,232.70 = 7,967.58 : x
  2. Step 2: Convert to fraction form
    13,940.14/19,232.70 = 7,967.58/x
  3. Step 3: Cross multiply
    13,940.14x = 19,232.70 × 7,967.58
  4. Step 4: Simplify right side
    13,940.14x = 153,238,075.87
  5. Step 5: Solve for x
    x = 153,238,075.87/13,940.14
  6. Step 6: Final answer
    x = 10,992.58

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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.