Home / 13,935.55-19,232.41-7,966.09

Finding the Fourth Proportional to 13,935.55, 19,232.41 and 7,966.09

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Solution

The fourth proportional to 13,935.55, 19,232.41 and 7,966.09 is: 10,993.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.55 : 19,232.41 = 7,966.09 : x
  2. Step 2: Convert to fraction form
    13,935.55/19,232.41 = 7,966.09/x
  3. Step 3: Cross multiply
    13,935.55x = 19,232.41 × 7,966.09
  4. Step 4: Simplify right side
    13,935.55x = 153,207,108.98
  5. Step 5: Solve for x
    x = 153,207,108.98/13,935.55
  6. Step 6: Final answer
    x = 10,993.98

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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.