Home / 14,735.05-20,334.98-8,448.64

Finding the Fourth Proportional to 14,735.05, 20,334.98 and 8,448.64

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Solution

The fourth proportional to 14,735.05, 20,334.98 and 8,448.64 is: 11,659.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,735.05 : 20,334.98 = 8,448.64 : x
  2. Step 2: Convert to fraction form
    14,735.05/20,334.98 = 8,448.64/x
  3. Step 3: Cross multiply
    14,735.05x = 20,334.98 × 8,448.64
  4. Step 4: Simplify right side
    14,735.05x = 171,802,895.71
  5. Step 5: Solve for x
    x = 171,802,895.71/14,735.05
  6. Step 6: Final answer
    x = 11,659.47

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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.