Home / 13,125.48-19,685.03-3,763.29

Finding the Fourth Proportional to 13,125.48, 19,685.03 and 3,763.29

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Solution

The fourth proportional to 13,125.48, 19,685.03 and 3,763.29 is: 5,644.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.48 : 19,685.03 = 3,763.29 : x
  2. Step 2: Convert to fraction form
    13,125.48/19,685.03 = 3,763.29/x
  3. Step 3: Cross multiply
    13,125.48x = 19,685.03 × 3,763.29
  4. Step 4: Simplify right side
    13,125.48x = 74,080,531.55
  5. Step 5: Solve for x
    x = 74,080,531.55/13,125.48
  6. Step 6: Final answer
    x = 5,644.03

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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.