Home / 13,848.30-19,112.30-7,798.73

Finding the Fourth Proportional to 13,848.30, 19,112.30 and 7,798.73

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Solution

The fourth proportional to 13,848.30, 19,112.30 and 7,798.73 is: 10,763.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.30 : 19,112.30 = 7,798.73 : x
  2. Step 2: Convert to fraction form
    13,848.30/19,112.30 = 7,798.73/x
  3. Step 3: Cross multiply
    13,848.30x = 19,112.30 × 7,798.73
  4. Step 4: Simplify right side
    13,848.30x = 149,051,532.82
  5. Step 5: Solve for x
    x = 149,051,532.82/13,848.30
  6. Step 6: Final answer
    x = 10,763.16

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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.