Home / 14,001.24-20,990.52-5,234.88

Finding the Fourth Proportional to 14,001.24, 20,990.52 and 5,234.88

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Solution

The fourth proportional to 14,001.24, 20,990.52 and 5,234.88 is: 7,848.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.24 : 20,990.52 = 5,234.88 : x
  2. Step 2: Convert to fraction form
    14,001.24/20,990.52 = 5,234.88/x
  3. Step 3: Cross multiply
    14,001.24x = 20,990.52 × 5,234.88
  4. Step 4: Simplify right side
    14,001.24x = 109,882,853.34
  5. Step 5: Solve for x
    x = 109,882,853.34/14,001.24
  6. Step 6: Final answer
    x = 7,848.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.