Home / 18,984.28-26,198.20-10,486.99

Finding the Fourth Proportional to 18,984.28, 26,198.20 and 10,486.99

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Solution

The fourth proportional to 18,984.28, 26,198.20 and 10,486.99 is: 14,471.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.28 : 26,198.20 = 10,486.99 : x
  2. Step 2: Convert to fraction form
    18,984.28/26,198.20 = 10,486.99/x
  3. Step 3: Cross multiply
    18,984.28x = 26,198.20 × 10,486.99
  4. Step 4: Simplify right side
    18,984.28x = 274,740,159.91
  5. Step 5: Solve for x
    x = 274,740,159.91/18,984.28
  6. Step 6: Final answer
    x = 14,471.98

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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.