Home / 14,784.56-20,401.88-11,000.24

Finding the Fourth Proportional to 14,784.56, 20,401.88 and 11,000.24

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Solution

The fourth proportional to 14,784.56, 20,401.88 and 11,000.24 is: 15,179.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.56 : 20,401.88 = 11,000.24 : x
  2. Step 2: Convert to fraction form
    14,784.56/20,401.88 = 11,000.24/x
  3. Step 3: Cross multiply
    14,784.56x = 20,401.88 × 11,000.24
  4. Step 4: Simplify right side
    14,784.56x = 224,425,576.45
  5. Step 5: Solve for x
    x = 224,425,576.45/14,784.56
  6. Step 6: Final answer
    x = 15,179.73

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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.