Home / 14,628.12-20,188.64-11,268.24

Finding the Fourth Proportional to 14,628.12, 20,188.64 and 11,268.24

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Solution

The fourth proportional to 14,628.12, 20,188.64 and 11,268.24 is: 15,551.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,628.12 : 20,188.64 = 11,268.24 : x
  2. Step 2: Convert to fraction form
    14,628.12/20,188.64 = 11,268.24/x
  3. Step 3: Cross multiply
    14,628.12x = 20,188.64 × 11,268.24
  4. Step 4: Simplify right side
    14,628.12x = 227,490,440.79
  5. Step 5: Solve for x
    x = 227,490,440.79/14,628.12
  6. Step 6: Final answer
    x = 15,551.58

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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.