Home / 13,994.15-19,312.31-7,944.26

Finding the Fourth Proportional to 13,994.15, 19,312.31 and 7,944.26

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Solution

The fourth proportional to 13,994.15, 19,312.31 and 7,944.26 is: 10,963.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.15 : 19,312.31 = 7,944.26 : x
  2. Step 2: Convert to fraction form
    13,994.15/19,312.31 = 7,944.26/x
  3. Step 3: Cross multiply
    13,994.15x = 19,312.31 × 7,944.26
  4. Step 4: Simplify right side
    13,994.15x = 153,421,936.61
  5. Step 5: Solve for x
    x = 153,421,936.61/13,994.15
  6. Step 6: Final answer
    x = 10,963.29

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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.