Home / 14,800.36-20,424.41-8,085.91

Finding the Fourth Proportional to 14,800.36, 20,424.41 and 8,085.91

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Solution

The fourth proportional to 14,800.36, 20,424.41 and 8,085.91 is: 11,158.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,800.36 : 20,424.41 = 8,085.91 : x
  2. Step 2: Convert to fraction form
    14,800.36/20,424.41 = 8,085.91/x
  3. Step 3: Cross multiply
    14,800.36x = 20,424.41 × 8,085.91
  4. Step 4: Simplify right side
    14,800.36x = 165,149,838.94
  5. Step 5: Solve for x
    x = 165,149,838.94/14,800.36
  6. Step 6: Final answer
    x = 11,158.51

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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.