Home / 26,455.76-39,709.56-12,614.48

Finding the Fourth Proportional to 26,455.76, 39,709.56 and 12,614.48

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Solution

The fourth proportional to 26,455.76, 39,709.56 and 12,614.48 is: 18,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,455.76 : 39,709.56 = 12,614.48 : x
  2. Step 2: Convert to fraction form
    26,455.76/39,709.56 = 12,614.48/x
  3. Step 3: Cross multiply
    26,455.76x = 39,709.56 × 12,614.48
  4. Step 4: Simplify right side
    26,455.76x = 500,915,450.43
  5. Step 5: Solve for x
    x = 500,915,450.43/26,455.76
  6. Step 6: Final answer
    x = 18,934.08

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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.