Home / 18,835.20-25,992.57-10,451.70

Finding the Fourth Proportional to 18,835.20, 25,992.57 and 10,451.70

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Solution

The fourth proportional to 18,835.20, 25,992.57 and 10,451.70 is: 14,423.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.20 : 25,992.57 = 10,451.70 : x
  2. Step 2: Convert to fraction form
    18,835.20/25,992.57 = 10,451.70/x
  3. Step 3: Cross multiply
    18,835.20x = 25,992.57 × 10,451.70
  4. Step 4: Simplify right side
    18,835.20x = 271,666,543.87
  5. Step 5: Solve for x
    x = 271,666,543.87/18,835.20
  6. Step 6: Final answer
    x = 14,423.34

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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.