Home / 26,225.45-36,204.84-20,470.57

Finding the Fourth Proportional to 26,225.45, 36,204.84 and 20,470.57

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Solution

The fourth proportional to 26,225.45, 36,204.84 and 20,470.57 is: 28,260.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,225.45 : 36,204.84 = 20,470.57 : x
  2. Step 2: Convert to fraction form
    26,225.45/36,204.84 = 20,470.57/x
  3. Step 3: Cross multiply
    26,225.45x = 36,204.84 × 20,470.57
  4. Step 4: Simplify right side
    26,225.45x = 741,133,544.28
  5. Step 5: Solve for x
    x = 741,133,544.28/26,225.45
  6. Step 6: Final answer
    x = 28,260.09

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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.