Home / 14,887.99-20,546.04-8,173.90

Finding the Fourth Proportional to 14,887.99, 20,546.04 and 8,173.90

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Solution

The fourth proportional to 14,887.99, 20,546.04 and 8,173.90 is: 11,280.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,887.99 : 20,546.04 = 8,173.90 : x
  2. Step 2: Convert to fraction form
    14,887.99/20,546.04 = 8,173.90/x
  3. Step 3: Cross multiply
    14,887.99x = 20,546.04 × 8,173.90
  4. Step 4: Simplify right side
    14,887.99x = 167,941,276.36
  5. Step 5: Solve for x
    x = 167,941,276.36/14,887.99
  6. Step 6: Final answer
    x = 11,280.32

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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.