Home / 27,756.03-41,659.56-19,970.31

Finding the Fourth Proportional to 27,756.03, 41,659.56 and 19,970.31

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Solution

The fourth proportional to 27,756.03, 41,659.56 and 19,970.31 is: 29,973.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,756.03 : 41,659.56 = 19,970.31 : x
  2. Step 2: Convert to fraction form
    27,756.03/41,659.56 = 19,970.31/x
  3. Step 3: Cross multiply
    27,756.03x = 41,659.56 × 19,970.31
  4. Step 4: Simplify right side
    27,756.03x = 831,954,327.66
  5. Step 5: Solve for x
    x = 831,954,327.66/27,756.03
  6. Step 6: Final answer
    x = 29,973.82

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1.5x scale

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.