Home / 16,853.24-25,279.85-5,166.45

Finding the Fourth Proportional to 16,853.24, 25,279.85 and 5,166.45

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Solution

The fourth proportional to 16,853.24, 25,279.85 and 5,166.45 is: 7,749.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,853.24 : 25,279.85 = 5,166.45 : x
  2. Step 2: Convert to fraction form
    16,853.24/25,279.85 = 5,166.45/x
  3. Step 3: Cross multiply
    16,853.24x = 25,279.85 × 5,166.45
  4. Step 4: Simplify right side
    16,853.24x = 130,607,055.20
  5. Step 5: Solve for x
    x = 130,607,055.20/16,853.24
  6. Step 6: Final answer
    x = 7,749.67

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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.