Home / 14,619.96-20,185.23-11,256.84

Finding the Fourth Proportional to 14,619.96, 20,185.23 and 11,256.84

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Solution

The fourth proportional to 14,619.96, 20,185.23 and 11,256.84 is: 15,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.96 : 20,185.23 = 11,256.84 : x
  2. Step 2: Convert to fraction form
    14,619.96/20,185.23 = 11,256.84/x
  3. Step 3: Cross multiply
    14,619.96x = 20,185.23 × 11,256.84
  4. Step 4: Simplify right side
    14,619.96x = 227,221,904.47
  5. Step 5: Solve for x
    x = 227,221,904.47/14,619.96
  6. Step 6: Final answer
    x = 15,541.90

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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.