Home / 12,955.36-19,400.24-8,010.01

Finding the Fourth Proportional to 12,955.36, 19,400.24 and 8,010.01

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Solution

The fourth proportional to 12,955.36, 19,400.24 and 8,010.01 is: 11,994.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955.36 : 19,400.24 = 8,010.01 : x
  2. Step 2: Convert to fraction form
    12,955.36/19,400.24 = 8,010.01/x
  3. Step 3: Cross multiply
    12,955.36x = 19,400.24 × 8,010.01
  4. Step 4: Simplify right side
    12,955.36x = 155,396,116.40
  5. Step 5: Solve for x
    x = 155,396,116.40/12,955.36
  6. Step 6: Final answer
    x = 11,994.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.