Home / 14,724.12-20,312.58-8,752.39

Finding the Fourth Proportional to 14,724.12, 20,312.58 and 8,752.39

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Solution

The fourth proportional to 14,724.12, 20,312.58 and 8,752.39 is: 12,074.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,724.12 : 20,312.58 = 8,752.39 : x
  2. Step 2: Convert to fraction form
    14,724.12/20,312.58 = 8,752.39/x
  3. Step 3: Cross multiply
    14,724.12x = 20,312.58 × 8,752.39
  4. Step 4: Simplify right side
    14,724.12x = 177,783,578.30
  5. Step 5: Solve for x
    x = 177,783,578.30/14,724.12
  6. Step 6: Final answer
    x = 12,074.31

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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.