Home / 27,118.32-37,423.01-15,181.76

Finding the Fourth Proportional to 27,118.32, 37,423.01 and 15,181.76

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Solution

The fourth proportional to 27,118.32, 37,423.01 and 15,181.76 is: 20,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,118.32 : 37,423.01 = 15,181.76 : x
  2. Step 2: Convert to fraction form
    27,118.32/37,423.01 = 15,181.76/x
  3. Step 3: Cross multiply
    27,118.32x = 37,423.01 × 15,181.76
  4. Step 4: Simplify right side
    27,118.32x = 568,146,893.27
  5. Step 5: Solve for x
    x = 568,146,893.27/27,118.32
  6. Step 6: Final answer
    x = 20,950.67

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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.