Home / 20,047.56-27,666.20-11,095.89

Finding the Fourth Proportional to 20,047.56, 27,666.20 and 11,095.89

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Solution

The fourth proportional to 20,047.56, 27,666.20 and 11,095.89 is: 15,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,047.56 : 27,666.20 = 11,095.89 : x
  2. Step 2: Convert to fraction form
    20,047.56/27,666.20 = 11,095.89/x
  3. Step 3: Cross multiply
    20,047.56x = 27,666.20 × 11,095.89
  4. Step 4: Simplify right side
    20,047.56x = 306,981,111.92
  5. Step 5: Solve for x
    x = 306,981,111.92/20,047.56
  6. Step 6: Final answer
    x = 15,312.64

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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.