Home / 13,014.03-19,521.21-4,580.79

Finding the Fourth Proportional to 13,014.03, 19,521.21 and 4,580.79

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Solution

The fourth proportional to 13,014.03, 19,521.21 and 4,580.79 is: 6,871.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.03 : 19,521.21 = 4,580.79 : x
  2. Step 2: Convert to fraction form
    13,014.03/19,521.21 = 4,580.79/x
  3. Step 3: Cross multiply
    13,014.03x = 19,521.21 × 4,580.79
  4. Step 4: Simplify right side
    13,014.03x = 89,422,563.56
  5. Step 5: Solve for x
    x = 89,422,563.56/13,014.03
  6. Step 6: Final answer
    x = 6,871.24

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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.