Home / 14,958.88-20,650.14-8,670.04

Finding the Fourth Proportional to 14,958.88, 20,650.14 and 8,670.04

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Solution

The fourth proportional to 14,958.88, 20,650.14 and 8,670.04 is: 11,968.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,958.88 : 20,650.14 = 8,670.04 : x
  2. Step 2: Convert to fraction form
    14,958.88/20,650.14 = 8,670.04/x
  3. Step 3: Cross multiply
    14,958.88x = 20,650.14 × 8,670.04
  4. Step 4: Simplify right side
    14,958.88x = 179,037,539.81
  5. Step 5: Solve for x
    x = 179,037,539.81/14,958.88
  6. Step 6: Final answer
    x = 11,968.65

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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.