Home / 47,066.38-70,594.39-13,786.76

Finding the Fourth Proportional to 47,066.38, 70,594.39 and 13,786.76

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Solution

The fourth proportional to 47,066.38, 70,594.39 and 13,786.76 is: 20,678.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,066.38 : 70,594.39 = 13,786.76 : x
  2. Step 2: Convert to fraction form
    47,066.38/70,594.39 = 13,786.76/x
  3. Step 3: Cross multiply
    47,066.38x = 70,594.39 × 13,786.76
  4. Step 4: Simplify right side
    47,066.38x = 973,267,912.28
  5. Step 5: Solve for x
    x = 973,267,912.28/47,066.38
  6. Step 6: Final answer
    x = 20,678.62

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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.