Home / 14,591.76-20,134.60-8,303.44

Finding the Fourth Proportional to 14,591.76, 20,134.60 and 8,303.44

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Solution

The fourth proportional to 14,591.76, 20,134.60 and 8,303.44 is: 11,457.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.76 : 20,134.60 = 8,303.44 : x
  2. Step 2: Convert to fraction form
    14,591.76/20,134.60 = 8,303.44/x
  3. Step 3: Cross multiply
    14,591.76x = 20,134.60 × 8,303.44
  4. Step 4: Simplify right side
    14,591.76x = 167,186,443.02
  5. Step 5: Solve for x
    x = 167,186,443.02/14,591.76
  6. Step 6: Final answer
    x = 11,457.59

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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.