Home / 14,800.72-20,425.00-8,086.45

Finding the Fourth Proportional to 14,800.72, 20,425.00 and 8,086.45

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Solution

The fourth proportional to 14,800.72, 20,425.00 and 8,086.45 is: 11,159.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,800.72 : 20,425.00 = 8,086.45 : x
  2. Step 2: Convert to fraction form
    14,800.72/20,425.00 = 8,086.45/x
  3. Step 3: Cross multiply
    14,800.72x = 20,425.00 × 8,086.45
  4. Step 4: Simplify right side
    14,800.72x = 165,165,812.53
  5. Step 5: Solve for x
    x = 165,165,812.53/14,800.72
  6. Step 6: Final answer
    x = 11,159.31

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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.