Home / 14,226.28-19,632.88-8,561.50

Finding the Fourth Proportional to 14,226.28, 19,632.88 and 8,561.50

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Solution

The fourth proportional to 14,226.28, 19,632.88 and 8,561.50 is: 11,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.28 : 19,632.88 = 8,561.50 : x
  2. Step 2: Convert to fraction form
    14,226.28/19,632.88 = 8,561.50/x
  3. Step 3: Cross multiply
    14,226.28x = 19,632.88 × 8,561.50
  4. Step 4: Simplify right side
    14,226.28x = 168,086,863.74
  5. Step 5: Solve for x
    x = 168,086,863.74/14,226.28
  6. Step 6: Final answer
    x = 11,815.23

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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.