Home / 14,887.94-20,544.10-8,173.51

Finding the Fourth Proportional to 14,887.94, 20,544.10 and 8,173.51

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Solution

The fourth proportional to 14,887.94, 20,544.10 and 8,173.51 is: 11,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,887.94 : 20,544.10 = 8,173.51 : x
  2. Step 2: Convert to fraction form
    14,887.94/20,544.10 = 8,173.51/x
  3. Step 3: Cross multiply
    14,887.94x = 20,544.10 × 8,173.51
  4. Step 4: Simplify right side
    14,887.94x = 167,917,335.00
  5. Step 5: Solve for x
    x = 167,917,335.00/14,887.94
  6. Step 6: Final answer
    x = 11,278.75

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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.