Home / 26,367.40-39,529.42-12,320.48

Finding the Fourth Proportional to 26,367.40, 39,529.42 and 12,320.48

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Solution

The fourth proportional to 26,367.40, 39,529.42 and 12,320.48 is: 18,470.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,367.40 : 39,529.42 = 12,320.48 : x
  2. Step 2: Convert to fraction form
    26,367.40/39,529.42 = 12,320.48/x
  3. Step 3: Cross multiply
    26,367.40x = 39,529.42 × 12,320.48
  4. Step 4: Simplify right side
    26,367.40x = 487,021,428.52
  5. Step 5: Solve for x
    x = 487,021,428.52/26,367.40
  6. Step 6: Final answer
    x = 18,470.59

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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.