Home / 14,469.28-19,962.24-8,176.96

Finding the Fourth Proportional to 14,469.28, 19,962.24 and 8,176.96

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Solution

The fourth proportional to 14,469.28, 19,962.24 and 8,176.96 is: 11,281.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469.28 : 19,962.24 = 8,176.96 : x
  2. Step 2: Convert to fraction form
    14,469.28/19,962.24 = 8,176.96/x
  3. Step 3: Cross multiply
    14,469.28x = 19,962.24 × 8,176.96
  4. Step 4: Simplify right side
    14,469.28x = 163,230,437.99
  5. Step 5: Solve for x
    x = 163,230,437.99/14,469.28
  6. Step 6: Final answer
    x = 11,281.17

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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.