Home / 14,838.12-20,477.58-8,550.90

Finding the Fourth Proportional to 14,838.12, 20,477.58 and 8,550.90

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Solution

The fourth proportional to 14,838.12, 20,477.58 and 8,550.90 is: 11,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,838.12 : 20,477.58 = 8,550.90 : x
  2. Step 2: Convert to fraction form
    14,838.12/20,477.58 = 8,550.90/x
  3. Step 3: Cross multiply
    14,838.12x = 20,477.58 × 8,550.90
  4. Step 4: Simplify right side
    14,838.12x = 175,101,738.82
  5. Step 5: Solve for x
    x = 175,101,738.82/14,838.12
  6. Step 6: Final answer
    x = 11,800.80

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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.