Home / 27,146.19-40,659.14-20,859.93

Finding the Fourth Proportional to 27,146.19, 40,659.14 and 20,859.93

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Solution

The fourth proportional to 27,146.19, 40,659.14 and 20,859.93 is: 31,243.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,146.19 : 40,659.14 = 20,859.93 : x
  2. Step 2: Convert to fraction form
    27,146.19/40,659.14 = 20,859.93/x
  3. Step 3: Cross multiply
    27,146.19x = 40,659.14 × 20,859.93
  4. Step 4: Simplify right side
    27,146.19x = 848,146,709.96
  5. Step 5: Solve for x
    x = 848,146,709.96/27,146.19
  6. Step 6: Final answer
    x = 31,243.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.