Home / 27,117.14-37,421.97-15,181.52

Finding the Fourth Proportional to 27,117.14, 37,421.97 and 15,181.52

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Solution

The fourth proportional to 27,117.14, 37,421.97 and 15,181.52 is: 20,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,117.14 : 37,421.97 = 15,181.52 : x
  2. Step 2: Convert to fraction form
    27,117.14/37,421.97 = 15,181.52/x
  3. Step 3: Cross multiply
    27,117.14x = 37,421.97 × 15,181.52
  4. Step 4: Simplify right side
    27,117.14x = 568,122,385.99
  5. Step 5: Solve for x
    x = 568,122,385.99/27,117.14
  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.