Home / 13,902.03-19,185.62-7,935.63

Finding the Fourth Proportional to 13,902.03, 19,185.62 and 7,935.63

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Solution

The fourth proportional to 13,902.03, 19,185.62 and 7,935.63 is: 10,951.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.03 : 19,185.62 = 7,935.63 : x
  2. Step 2: Convert to fraction form
    13,902.03/19,185.62 = 7,935.63/x
  3. Step 3: Cross multiply
    13,902.03x = 19,185.62 × 7,935.63
  4. Step 4: Simplify right side
    13,902.03x = 152,249,929.53
  5. Step 5: Solve for x
    x = 152,249,929.53/13,902.03
  6. Step 6: Final answer
    x = 10,951.63

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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.