Home / 19,911.23-27,477.50-10,958.73

Finding the Fourth Proportional to 19,911.23, 27,477.50 and 10,958.73

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Solution

The fourth proportional to 19,911.23, 27,477.50 and 10,958.73 is: 15,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.23 : 27,477.50 = 10,958.73 : x
  2. Step 2: Convert to fraction form
    19,911.23/27,477.50 = 10,958.73/x
  3. Step 3: Cross multiply
    19,911.23x = 27,477.50 × 10,958.73
  4. Step 4: Simplify right side
    19,911.23x = 301,118,503.58
  5. Step 5: Solve for x
    x = 301,118,503.58/19,911.23
  6. Step 6: Final answer
    x = 15,123.05

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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.