Home / 13,848.37-19,112.95-7,881.96

Finding the Fourth Proportional to 13,848.37, 19,112.95 and 7,881.96

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Solution

The fourth proportional to 13,848.37, 19,112.95 and 7,881.96 is: 10,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.37 : 19,112.95 = 7,881.96 : x
  2. Step 2: Convert to fraction form
    13,848.37/19,112.95 = 7,881.96/x
  3. Step 3: Cross multiply
    13,848.37x = 19,112.95 × 7,881.96
  4. Step 4: Simplify right side
    13,848.37x = 150,647,437.06
  5. Step 5: Solve for x
    x = 150,647,437.06/13,848.37
  6. Step 6: Final answer
    x = 10,878.35

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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.