Home / 14,806.77-20,434.58-8,435.37

Finding the Fourth Proportional to 14,806.77, 20,434.58 and 8,435.37

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Solution

The fourth proportional to 14,806.77, 20,434.58 and 8,435.37 is: 11,641.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,806.77 : 20,434.58 = 8,435.37 : x
  2. Step 2: Convert to fraction form
    14,806.77/20,434.58 = 8,435.37/x
  3. Step 3: Cross multiply
    14,806.77x = 20,434.58 × 8,435.37
  4. Step 4: Simplify right side
    14,806.77x = 172,373,200.92
  5. Step 5: Solve for x
    x = 172,373,200.92/14,806.77
  6. Step 6: Final answer
    x = 11,641.51

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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.