Home / 20,047.31-27,666.59-11,094.81

Finding the Fourth Proportional to 20,047.31, 27,666.59 and 11,094.81

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Solution

The fourth proportional to 20,047.31, 27,666.59 and 11,094.81 is: 15,311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,047.31 : 27,666.59 = 11,094.81 : x
  2. Step 2: Convert to fraction form
    20,047.31/27,666.59 = 11,094.81/x
  3. Step 3: Cross multiply
    20,047.31x = 27,666.59 × 11,094.81
  4. Step 4: Simplify right side
    20,047.31x = 306,955,503.92
  5. Step 5: Solve for x
    x = 306,955,503.92/20,047.31
  6. Step 6: Final answer
    x = 15,311.56

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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.