Home / 16,433.12-22,657.86-11,401.64

Finding the Fourth Proportional to 16,433.12, 22,657.86 and 11,401.64

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Solution

The fourth proportional to 16,433.12, 22,657.86 and 11,401.64 is: 15,720.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,433.12 : 22,657.86 = 11,401.64 : x
  2. Step 2: Convert to fraction form
    16,433.12/22,657.86 = 11,401.64/x
  3. Step 3: Cross multiply
    16,433.12x = 22,657.86 × 11,401.64
  4. Step 4: Simplify right side
    16,433.12x = 258,336,762.89
  5. Step 5: Solve for x
    x = 258,336,762.89/16,433.12
  6. Step 6: Final answer
    x = 15,720.49

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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.