Home / 22,164.28-30,615.88-16,433.36

Finding the Fourth Proportional to 22,164.28, 30,615.88 and 16,433.36

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Solution

The fourth proportional to 22,164.28, 30,615.88 and 16,433.36 is: 22,699.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,164.28 : 30,615.88 = 16,433.36 : x
  2. Step 2: Convert to fraction form
    22,164.28/30,615.88 = 16,433.36/x
  3. Step 3: Cross multiply
    22,164.28x = 30,615.88 × 16,433.36
  4. Step 4: Simplify right side
    22,164.28x = 503,121,777.76
  5. Step 5: Solve for x
    x = 503,121,777.76/22,164.28
  6. Step 6: Final answer
    x = 22,699.67

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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.