Home / 14,519.27-20,036.40-8,231.24

Finding the Fourth Proportional to 14,519.27, 20,036.40 and 8,231.24

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Solution

The fourth proportional to 14,519.27, 20,036.40 and 8,231.24 is: 11,359.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.27 : 20,036.40 = 8,231.24 : x
  2. Step 2: Convert to fraction form
    14,519.27/20,036.40 = 8,231.24/x
  3. Step 3: Cross multiply
    14,519.27x = 20,036.40 × 8,231.24
  4. Step 4: Simplify right side
    14,519.27x = 164,924,316.95
  5. Step 5: Solve for x
    x = 164,924,316.95/14,519.27
  6. Step 6: Final answer
    x = 11,359.00

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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.