Home / 14,199.81-21,296.97-5,432.67

Finding the Fourth Proportional to 14,199.81, 21,296.97 and 5,432.67

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Solution

The fourth proportional to 14,199.81, 21,296.97 and 5,432.67 is: 8,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,199.81 : 21,296.97 = 5,432.67 : x
  2. Step 2: Convert to fraction form
    14,199.81/21,296.97 = 5,432.67/x
  3. Step 3: Cross multiply
    14,199.81x = 21,296.97 × 5,432.67
  4. Step 4: Simplify right side
    14,199.81x = 115,699,410.01
  5. Step 5: Solve for x
    x = 115,699,410.01/14,199.81
  6. Step 6: Final answer
    x = 8,147.95

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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.