Home / 14,046.20-21,066.45-5,158.48

Finding the Fourth Proportional to 14,046.20, 21,066.45 and 5,158.48

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Solution

The fourth proportional to 14,046.20, 21,066.45 and 5,158.48 is: 7,736.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046.20 : 21,066.45 = 5,158.48 : x
  2. Step 2: Convert to fraction form
    14,046.20/21,066.45 = 5,158.48/x
  3. Step 3: Cross multiply
    14,046.20x = 21,066.45 × 5,158.48
  4. Step 4: Simplify right side
    14,046.20x = 108,670,818.00
  5. Step 5: Solve for x
    x = 108,670,818.00/14,046.20
  6. Step 6: Final answer
    x = 7,736.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.