Home / 19,866.24-27,417.32-11,366.67

Finding the Fourth Proportional to 19,866.24, 27,417.32 and 11,366.67

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Solution

The fourth proportional to 19,866.24, 27,417.32 and 11,366.67 is: 15,687.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.24 : 27,417.32 = 11,366.67 : x
  2. Step 2: Convert to fraction form
    19,866.24/27,417.32 = 11,366.67/x
  3. Step 3: Cross multiply
    19,866.24x = 27,417.32 × 11,366.67
  4. Step 4: Simplify right side
    19,866.24x = 311,643,571.89
  5. Step 5: Solve for x
    x = 311,643,571.89/19,866.24
  6. Step 6: Final answer
    x = 15,687.09

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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.