Home / 19,202.76-26,493.72-15,156.81

Finding the Fourth Proportional to 19,202.76, 26,493.72 and 15,156.81

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Solution

The fourth proportional to 19,202.76, 26,493.72 and 15,156.81 is: 20,911.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202.76 : 26,493.72 = 15,156.81 : x
  2. Step 2: Convert to fraction form
    19,202.76/26,493.72 = 15,156.81/x
  3. Step 3: Cross multiply
    19,202.76x = 26,493.72 × 15,156.81
  4. Step 4: Simplify right side
    19,202.76x = 401,560,280.23
  5. Step 5: Solve for x
    x = 401,560,280.23/19,202.76
  6. Step 6: Final answer
    x = 20,911.59

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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.