Home / 13,901.66-19,185.10-7,935.25

Finding the Fourth Proportional to 13,901.66, 19,185.10 and 7,935.25

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Solution

The fourth proportional to 13,901.66, 19,185.10 and 7,935.25 is: 10,951.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.66 : 19,185.10 = 7,935.25 : x
  2. Step 2: Convert to fraction form
    13,901.66/19,185.10 = 7,935.25/x
  3. Step 3: Cross multiply
    13,901.66x = 19,185.10 × 7,935.25
  4. Step 4: Simplify right side
    13,901.66x = 152,238,577.58
  5. Step 5: Solve for x
    x = 152,238,577.58/13,901.66
  6. Step 6: Final answer
    x = 10,951.11

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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.