Home / 13,554.46-20,335.20-4,790.26

Finding the Fourth Proportional to 13,554.46, 20,335.20 and 4,790.26

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Solution

The fourth proportional to 13,554.46, 20,335.20 and 4,790.26 is: 7,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.46 : 20,335.20 = 4,790.26 : x
  2. Step 2: Convert to fraction form
    13,554.46/20,335.20 = 4,790.26/x
  3. Step 3: Cross multiply
    13,554.46x = 20,335.20 × 4,790.26
  4. Step 4: Simplify right side
    13,554.46x = 97,410,895.15
  5. Step 5: Solve for x
    x = 97,410,895.15/13,554.46
  6. Step 6: Final answer
    x = 7,186.63

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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.