Home / 19,149.99-26,423.08-11,190.67

Finding the Fourth Proportional to 19,149.99, 26,423.08 and 11,190.67

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Solution

The fourth proportional to 19,149.99, 26,423.08 and 11,190.67 is: 15,440.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149.99 : 26,423.08 = 11,190.67 : x
  2. Step 2: Convert to fraction form
    19,149.99/26,423.08 = 11,190.67/x
  3. Step 3: Cross multiply
    19,149.99x = 26,423.08 × 11,190.67
  4. Step 4: Simplify right side
    19,149.99x = 295,692,023.26
  5. Step 5: Solve for x
    x = 295,692,023.26/19,149.99
  6. Step 6: Final answer
    x = 15,440.85

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Double scale
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Similar ratio
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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.