Home / 13,935.98-19,231.66-7,967.77

Finding the Fourth Proportional to 13,935.98, 19,231.66 and 7,967.77

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Solution

The fourth proportional to 13,935.98, 19,231.66 and 7,967.77 is: 10,995.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.98 : 19,231.66 = 7,967.77 : x
  2. Step 2: Convert to fraction form
    13,935.98/19,231.66 = 7,967.77/x
  3. Step 3: Cross multiply
    13,935.98x = 19,231.66 × 7,967.77
  4. Step 4: Simplify right side
    13,935.98x = 153,233,405.48
  5. Step 5: Solve for x
    x = 153,233,405.48/13,935.98
  6. Step 6: Final answer
    x = 10,995.52

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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.