Home / 13,116.56-19,674.24-5,325.44

Finding the Fourth Proportional to 13,116.56, 19,674.24 and 5,325.44

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Solution

The fourth proportional to 13,116.56, 19,674.24 and 5,325.44 is: 7,987.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.56 : 19,674.24 = 5,325.44 : x
  2. Step 2: Convert to fraction form
    13,116.56/19,674.24 = 5,325.44/x
  3. Step 3: Cross multiply
    13,116.56x = 19,674.24 × 5,325.44
  4. Step 4: Simplify right side
    13,116.56x = 104,773,984.67
  5. Step 5: Solve for x
    x = 104,773,984.67/13,116.56
  6. Step 6: Final answer
    x = 7,987.92

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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.