Home / 47,121.74-70,682.91-13,841.67

Finding the Fourth Proportional to 47,121.74, 70,682.91 and 13,841.67

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Solution

The fourth proportional to 47,121.74, 70,682.91 and 13,841.67 is: 20,762.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,121.74 : 70,682.91 = 13,841.67 : x
  2. Step 2: Convert to fraction form
    47,121.74/70,682.91 = 13,841.67/x
  3. Step 3: Cross multiply
    47,121.74x = 70,682.91 × 13,841.67
  4. Step 4: Simplify right side
    47,121.74x = 978,369,514.86
  5. Step 5: Solve for x
    x = 978,369,514.86/47,121.74
  6. Step 6: Final answer
    x = 20,762.59

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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.