Home / 18,698.45-25,803.90-10,200.59

Finding the Fourth Proportional to 18,698.45, 25,803.90 and 10,200.59

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Solution

The fourth proportional to 18,698.45, 25,803.90 and 10,200.59 is: 14,076.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698.45 : 25,803.90 = 10,200.59 : x
  2. Step 2: Convert to fraction form
    18,698.45/25,803.90 = 10,200.59/x
  3. Step 3: Cross multiply
    18,698.45x = 25,803.90 × 10,200.59
  4. Step 4: Simplify right side
    18,698.45x = 263,214,875.28
  5. Step 5: Solve for x
    x = 263,214,875.28/18,698.45
  6. Step 6: Final answer
    x = 14,076.83

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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.