Home / 14,750.43-20,360.84-13,175.79

Finding the Fourth Proportional to 14,750.43, 20,360.84 and 13,175.79

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Solution

The fourth proportional to 14,750.43, 20,360.84 and 13,175.79 is: 18,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,750.43 : 20,360.84 = 13,175.79 : x
  2. Step 2: Convert to fraction form
    14,750.43/20,360.84 = 13,175.79/x
  3. Step 3: Cross multiply
    14,750.43x = 20,360.84 × 13,175.79
  4. Step 4: Simplify right side
    14,750.43x = 268,270,086.18
  5. Step 5: Solve for x
    x = 268,270,086.18/14,750.43
  6. Step 6: Final answer
    x = 18,187.27

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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.