Home / 13,848.51-19,110.41-7,798.62

Finding the Fourth Proportional to 13,848.51, 19,110.41 and 7,798.62

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Solution

The fourth proportional to 13,848.51, 19,110.41 and 7,798.62 is: 10,761.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.51 : 19,110.41 = 7,798.62 : x
  2. Step 2: Convert to fraction form
    13,848.51/19,110.41 = 7,798.62/x
  3. Step 3: Cross multiply
    13,848.51x = 19,110.41 × 7,798.62
  4. Step 4: Simplify right side
    13,848.51x = 149,034,786.64
  5. Step 5: Solve for x
    x = 149,034,786.64/13,848.51
  6. Step 6: Final answer
    x = 10,761.79

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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.