Home / 20,848.62-31,276.17-6,994.38

Finding the Fourth Proportional to 20,848.62, 31,276.17 and 6,994.38

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Solution

The fourth proportional to 20,848.62, 31,276.17 and 6,994.38 is: 10,492.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848.62 : 31,276.17 = 6,994.38 : x
  2. Step 2: Convert to fraction form
    20,848.62/31,276.17 = 6,994.38/x
  3. Step 3: Cross multiply
    20,848.62x = 31,276.17 × 6,994.38
  4. Step 4: Simplify right side
    20,848.62x = 218,757,417.92
  5. Step 5: Solve for x
    x = 218,757,417.92/20,848.62
  6. Step 6: Final answer
    x = 10,492.66

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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.