Home / 35,327.81-52,991.73-13,138.29

Finding the Fourth Proportional to 35,327.81, 52,991.73 and 13,138.29

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Solution

The fourth proportional to 35,327.81, 52,991.73 and 13,138.29 is: 19,707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,327.81 : 52,991.73 = 13,138.29 : x
  2. Step 2: Convert to fraction form
    35,327.81/52,991.73 = 13,138.29/x
  3. Step 3: Cross multiply
    35,327.81x = 52,991.73 × 13,138.29
  4. Step 4: Simplify right side
    35,327.81x = 696,220,716.34
  5. Step 5: Solve for x
    x = 696,220,716.34/35,327.81
  6. Step 6: Final answer
    x = 19,707.44

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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.