Home / 13,017.80-19,515.18-6,090.44

Finding the Fourth Proportional to 13,017.80, 19,515.18 and 6,090.44

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Solution

The fourth proportional to 13,017.80, 19,515.18 and 6,090.44 is: 9,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.80 : 19,515.18 = 6,090.44 : x
  2. Step 2: Convert to fraction form
    13,017.80/19,515.18 = 6,090.44/x
  3. Step 3: Cross multiply
    13,017.80x = 19,515.18 × 6,090.44
  4. Step 4: Simplify right side
    13,017.80x = 118,856,032.88
  5. Step 5: Solve for x
    x = 118,856,032.88/13,017.80
  6. Step 6: Final answer
    x = 9,130.27

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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.