Home / 13,907.25-19,192.01-7,619.77

Finding the Fourth Proportional to 13,907.25, 19,192.01 and 7,619.77

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Solution

The fourth proportional to 13,907.25, 19,192.01 and 7,619.77 is: 10,515.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907.25 : 19,192.01 = 7,619.77 : x
  2. Step 2: Convert to fraction form
    13,907.25/19,192.01 = 7,619.77/x
  3. Step 3: Cross multiply
    13,907.25x = 19,192.01 × 7,619.77
  4. Step 4: Simplify right side
    13,907.25x = 146,238,663.94
  5. Step 5: Solve for x
    x = 146,238,663.94/13,907.25
  6. Step 6: Final answer
    x = 10,515.28

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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.