Home / 13,256.55-19,884.83-5,853.15

Finding the Fourth Proportional to 13,256.55, 19,884.83 and 5,853.15

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Solution

The fourth proportional to 13,256.55, 19,884.83 and 5,853.15 is: 8,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.55 : 19,884.83 = 5,853.15 : x
  2. Step 2: Convert to fraction form
    13,256.55/19,884.83 = 5,853.15/x
  3. Step 3: Cross multiply
    13,256.55x = 19,884.83 × 5,853.15
  4. Step 4: Simplify right side
    13,256.55x = 116,388,863.45
  5. Step 5: Solve for x
    x = 116,388,863.45/13,256.55
  6. Step 6: Final answer
    x = 8,779.73

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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.