Home / 14,578.20-21,824.10-9,653.40

Finding the Fourth Proportional to 14,578.20, 21,824.10 and 9,653.40

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Solution

The fourth proportional to 14,578.20, 21,824.10 and 9,653.40 is: 14,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,578.20 : 21,824.10 = 9,653.40 : x
  2. Step 2: Convert to fraction form
    14,578.20/21,824.10 = 9,653.40/x
  3. Step 3: Cross multiply
    14,578.20x = 21,824.10 × 9,653.40
  4. Step 4: Simplify right side
    14,578.20x = 210,676,766.94
  5. Step 5: Solve for x
    x = 210,676,766.94/14,578.20
  6. Step 6: Final answer
    x = 14,451.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.