Home / 19,914.76-27,491.70-11,529.64

Finding the Fourth Proportional to 19,914.76, 27,491.70 and 11,529.64

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Solution

The fourth proportional to 19,914.76, 27,491.70 and 11,529.64 is: 15,916.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.76 : 27,491.70 = 11,529.64 : x
  2. Step 2: Convert to fraction form
    19,914.76/27,491.70 = 11,529.64/x
  3. Step 3: Cross multiply
    19,914.76x = 27,491.70 × 11,529.64
  4. Step 4: Simplify right side
    19,914.76x = 316,969,403.99
  5. Step 5: Solve for x
    x = 316,969,403.99/19,914.76
  6. Step 6: Final answer
    x = 15,916.31

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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.