Home / 14,800.32-20,424.57-8,085.84

Finding the Fourth Proportional to 14,800.32, 20,424.57 and 8,085.84

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Solution

The fourth proportional to 14,800.32, 20,424.57 and 8,085.84 is: 11,158.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,800.32 : 20,424.57 = 8,085.84 : x
  2. Step 2: Convert to fraction form
    14,800.32/20,424.57 = 8,085.84/x
  3. Step 3: Cross multiply
    14,800.32x = 20,424.57 × 8,085.84
  4. Step 4: Simplify right side
    14,800.32x = 165,149,805.09
  5. Step 5: Solve for x
    x = 165,149,805.09/14,800.32
  6. Step 6: Final answer
    x = 11,158.53

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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.