Home / 20,048.50-27,666.96-11,096.60

Finding the Fourth Proportional to 20,048.50, 27,666.96 and 11,096.60

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Solution

The fourth proportional to 20,048.50, 27,666.96 and 11,096.60 is: 15,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.50 : 27,666.96 = 11,096.60 : x
  2. Step 2: Convert to fraction form
    20,048.50/27,666.96 = 11,096.60/x
  3. Step 3: Cross multiply
    20,048.50x = 27,666.96 × 11,096.60
  4. Step 4: Simplify right side
    20,048.50x = 307,009,188.34
  5. Step 5: Solve for x
    x = 307,009,188.34/20,048.50
  6. Step 6: Final answer
    x = 15,313.32

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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.