Home / 13,327.98-18,355.21-13,037.32

Finding the Fourth Proportional to 13,327.98, 18,355.21 and 13,037.32

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Solution

The fourth proportional to 13,327.98, 18,355.21 and 13,037.32 is: 17,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.98 : 18,355.21 = 13,037.32 : x
  2. Step 2: Convert to fraction form
    13,327.98/18,355.21 = 13,037.32/x
  3. Step 3: Cross multiply
    13,327.98x = 18,355.21 × 13,037.32
  4. Step 4: Simplify right side
    13,327.98x = 239,302,736.79
  5. Step 5: Solve for x
    x = 239,302,736.79/13,327.98
  6. Step 6: Final answer
    x = 17,954.92

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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.