Home / 13,735.90-20,595.63-4,371.88

Finding the Fourth Proportional to 13,735.90, 20,595.63 and 4,371.88

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Solution

The fourth proportional to 13,735.90, 20,595.63 and 4,371.88 is: 6,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735.90 : 20,595.63 = 4,371.88 : x
  2. Step 2: Convert to fraction form
    13,735.90/20,595.63 = 4,371.88/x
  3. Step 3: Cross multiply
    13,735.90x = 20,595.63 × 4,371.88
  4. Step 4: Simplify right side
    13,735.90x = 90,041,622.88
  5. Step 5: Solve for x
    x = 90,041,622.88/13,735.90
  6. Step 6: Final answer
    x = 6,555.20

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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.