Home / 16,519.45-22,765.37-16,215.81

Finding the Fourth Proportional to 16,519.45, 22,765.37 and 16,215.81

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Solution

The fourth proportional to 16,519.45, 22,765.37 and 16,215.81 is: 22,346.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,519.45 : 22,765.37 = 16,215.81 : x
  2. Step 2: Convert to fraction form
    16,519.45/22,765.37 = 16,215.81/x
  3. Step 3: Cross multiply
    16,519.45x = 22,765.37 × 16,215.81
  4. Step 4: Simplify right side
    16,519.45x = 369,158,914.50
  5. Step 5: Solve for x
    x = 369,158,914.50/16,519.45
  6. Step 6: Final answer
    x = 22,346.93

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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.