Home / 13,650.03-20,461.59-5,754.78

Finding the Fourth Proportional to 13,650.03, 20,461.59 and 5,754.78

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Solution

The fourth proportional to 13,650.03, 20,461.59 and 5,754.78 is: 8,626.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.03 : 20,461.59 = 5,754.78 : x
  2. Step 2: Convert to fraction form
    13,650.03/20,461.59 = 5,754.78/x
  3. Step 3: Cross multiply
    13,650.03x = 20,461.59 × 5,754.78
  4. Step 4: Simplify right side
    13,650.03x = 117,751,948.90
  5. Step 5: Solve for x
    x = 117,751,948.90/13,650.03
  6. Step 6: Final answer
    x = 8,626.50

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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.