Home / 14,879.30-20,533.50-8,591.67

Finding the Fourth Proportional to 14,879.30, 20,533.50 and 8,591.67

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Solution

The fourth proportional to 14,879.30, 20,533.50 and 8,591.67 is: 11,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,879.30 : 20,533.50 = 8,591.67 : x
  2. Step 2: Convert to fraction form
    14,879.30/20,533.50 = 8,591.67/x
  3. Step 3: Cross multiply
    14,879.30x = 20,533.50 × 8,591.67
  4. Step 4: Simplify right side
    14,879.30x = 176,417,055.95
  5. Step 5: Solve for x
    x = 176,417,055.95/14,879.30
  6. Step 6: Final answer
    x = 11,856.55

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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.