Home / 25,615.63-35,355.21-16,647.55

Finding the Fourth Proportional to 25,615.63, 35,355.21 and 16,647.55

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Solution

The fourth proportional to 25,615.63, 35,355.21 and 16,647.55 is: 22,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,615.63 : 35,355.21 = 16,647.55 : x
  2. Step 2: Convert to fraction form
    25,615.63/35,355.21 = 16,647.55/x
  3. Step 3: Cross multiply
    25,615.63x = 35,355.21 × 16,647.55
  4. Step 4: Simplify right side
    25,615.63x = 588,577,626.24
  5. Step 5: Solve for x
    x = 588,577,626.24/25,615.63
  6. Step 6: Final answer
    x = 22,977.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.