Home / 50,647.49-75,971.29-13,207.53

Finding the Fourth Proportional to 50,647.49, 75,971.29 and 13,207.53

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Solution

The fourth proportional to 50,647.49, 75,971.29 and 13,207.53 is: 19,811.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,647.49 : 75,971.29 = 13,207.53 : x
  2. Step 2: Convert to fraction form
    50,647.49/75,971.29 = 13,207.53/x
  3. Step 3: Cross multiply
    50,647.49x = 75,971.29 × 13,207.53
  4. Step 4: Simplify right side
    50,647.49x = 1,003,393,091.81
  5. Step 5: Solve for x
    x = 1,003,393,091.81/50,647.49
  6. Step 6: Final answer
    x = 19,811.31

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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.