Home / 26,179.70-36,123.09-15,571.94

Finding the Fourth Proportional to 26,179.70, 36,123.09 and 15,571.94

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Solution

The fourth proportional to 26,179.70, 36,123.09 and 15,571.94 is: 21,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,179.70 : 36,123.09 = 15,571.94 : x
  2. Step 2: Convert to fraction form
    26,179.70/36,123.09 = 15,571.94/x
  3. Step 3: Cross multiply
    26,179.70x = 36,123.09 × 15,571.94
  4. Step 4: Simplify right side
    26,179.70x = 562,506,590.09
  5. Step 5: Solve for x
    x = 562,506,590.09/26,179.70
  6. Step 6: Final answer
    x = 21,486.37

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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.