Home / 18,500.45-25,499.52-14,022.77

Finding the Fourth Proportional to 18,500.45, 25,499.52 and 14,022.77

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Solution

The fourth proportional to 18,500.45, 25,499.52 and 14,022.77 is: 19,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.45 : 25,499.52 = 14,022.77 : x
  2. Step 2: Convert to fraction form
    18,500.45/25,499.52 = 14,022.77/x
  3. Step 3: Cross multiply
    18,500.45x = 25,499.52 × 14,022.77
  4. Step 4: Simplify right side
    18,500.45x = 357,573,776.57
  5. Step 5: Solve for x
    x = 357,573,776.57/18,500.45
  6. Step 6: Final answer
    x = 19,327.85

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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.