Home / 19,735.89-27,237.14-11,240.67

Finding the Fourth Proportional to 19,735.89, 27,237.14 and 11,240.67

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Solution

The fourth proportional to 19,735.89, 27,237.14 and 11,240.67 is: 15,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,735.89 : 27,237.14 = 11,240.67 : x
  2. Step 2: Convert to fraction form
    19,735.89/27,237.14 = 11,240.67/x
  3. Step 3: Cross multiply
    19,735.89x = 27,237.14 × 11,240.67
  4. Step 4: Simplify right side
    19,735.89x = 306,163,830.09
  5. Step 5: Solve for x
    x = 306,163,830.09/19,735.89
  6. Step 6: Final answer
    x = 15,513.05

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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.