Home / 14,336.22-21,509.49-6,438.12

Finding the Fourth Proportional to 14,336.22, 21,509.49 and 6,438.12

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Solution

The fourth proportional to 14,336.22, 21,509.49 and 6,438.12 is: 9,659.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,336.22 : 21,509.49 = 6,438.12 : x
  2. Step 2: Convert to fraction form
    14,336.22/21,509.49 = 6,438.12/x
  3. Step 3: Cross multiply
    14,336.22x = 21,509.49 × 6,438.12
  4. Step 4: Simplify right side
    14,336.22x = 138,480,677.76
  5. Step 5: Solve for x
    x = 138,480,677.76/14,336.22
  6. Step 6: Final answer
    x = 9,659.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.