Home / 13,355.79-20,028.22-5,955.19

Finding the Fourth Proportional to 13,355.79, 20,028.22 and 5,955.19

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Solution

The fourth proportional to 13,355.79, 20,028.22 and 5,955.19 is: 8,930.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.79 : 20,028.22 = 5,955.19 : x
  2. Step 2: Convert to fraction form
    13,355.79/20,028.22 = 5,955.19/x
  3. Step 3: Cross multiply
    13,355.79x = 20,028.22 × 5,955.19
  4. Step 4: Simplify right side
    13,355.79x = 119,271,790.50
  5. Step 5: Solve for x
    x = 119,271,790.50/13,355.79
  6. Step 6: Final answer
    x = 8,930.34

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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.