Home / 15,048.32-20,766.74-8,333.80

Finding the Fourth Proportional to 15,048.32, 20,766.74 and 8,333.80

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Solution

The fourth proportional to 15,048.32, 20,766.74 and 8,333.80 is: 11,500.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048.32 : 20,766.74 = 8,333.80 : x
  2. Step 2: Convert to fraction form
    15,048.32/20,766.74 = 8,333.80/x
  3. Step 3: Cross multiply
    15,048.32x = 20,766.74 × 8,333.80
  4. Step 4: Simplify right side
    15,048.32x = 173,065,857.81
  5. Step 5: Solve for x
    x = 173,065,857.81/15,048.32
  6. Step 6: Final answer
    x = 11,500.68

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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.