Home / 13,027.50-17,970.66-7,994.16

Finding the Fourth Proportional to 13,027.50, 17,970.66 and 7,994.16

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Solution

The fourth proportional to 13,027.50, 17,970.66 and 7,994.16 is: 11,027.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027.50 : 17,970.66 = 7,994.16 : x
  2. Step 2: Convert to fraction form
    13,027.50/17,970.66 = 7,994.16/x
  3. Step 3: Cross multiply
    13,027.50x = 17,970.66 × 7,994.16
  4. Step 4: Simplify right side
    13,027.50x = 143,660,331.35
  5. Step 5: Solve for x
    x = 143,660,331.35/13,027.50
  6. Step 6: Final answer
    x = 11,027.47

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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.