Home / 22,450.82-30,966.81-16,390.45

Finding the Fourth Proportional to 22,450.82, 30,966.81 and 16,390.45

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Solution

The fourth proportional to 22,450.82, 30,966.81 and 16,390.45 is: 22,607.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,450.82 : 30,966.81 = 16,390.45 : x
  2. Step 2: Convert to fraction form
    22,450.82/30,966.81 = 16,390.45/x
  3. Step 3: Cross multiply
    22,450.82x = 30,966.81 × 16,390.45
  4. Step 4: Simplify right side
    22,450.82x = 507,559,928.21
  5. Step 5: Solve for x
    x = 507,559,928.21/22,450.82
  6. Step 6: Final answer
    x = 22,607.63

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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.