Home / 14,921.34-20,589.18-8,632.50

Finding the Fourth Proportional to 14,921.34, 20,589.18 and 8,632.50

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Solution

The fourth proportional to 14,921.34, 20,589.18 and 8,632.50 is: 11,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,921.34 : 20,589.18 = 8,632.50 : x
  2. Step 2: Convert to fraction form
    14,921.34/20,589.18 = 8,632.50/x
  3. Step 3: Cross multiply
    14,921.34x = 20,589.18 × 8,632.50
  4. Step 4: Simplify right side
    14,921.34x = 177,736,096.35
  5. Step 5: Solve for x
    x = 177,736,096.35/14,921.34
  6. Step 6: Final answer
    x = 11,911.54

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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.