Home / 14,619.76-20,176.32-8,332.54

Finding the Fourth Proportional to 14,619.76, 20,176.32 and 8,332.54

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Solution

The fourth proportional to 14,619.76, 20,176.32 and 8,332.54 is: 11,499.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.76 : 20,176.32 = 8,332.54 : x
  2. Step 2: Convert to fraction form
    14,619.76/20,176.32 = 8,332.54/x
  3. Step 3: Cross multiply
    14,619.76x = 20,176.32 × 8,332.54
  4. Step 4: Simplify right side
    14,619.76x = 168,119,993.45
  5. Step 5: Solve for x
    x = 168,119,993.45/14,619.76
  6. Step 6: Final answer
    x = 11,499.50

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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.