Home / 13,924.06-20,882.84-6,521.48

Finding the Fourth Proportional to 13,924.06, 20,882.84 and 6,521.48

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Solution

The fourth proportional to 13,924.06, 20,882.84 and 6,521.48 is: 9,780.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.06 : 20,882.84 = 6,521.48 : x
  2. Step 2: Convert to fraction form
    13,924.06/20,882.84 = 6,521.48/x
  3. Step 3: Cross multiply
    13,924.06x = 20,882.84 × 6,521.48
  4. Step 4: Simplify right side
    13,924.06x = 136,187,023.40
  5. Step 5: Solve for x
    x = 136,187,023.40/13,924.06
  6. Step 6: Final answer
    x = 9,780.70

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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.