Home / 19,968.76-29,956.67-6,818.06

Finding the Fourth Proportional to 19,968.76, 29,956.67 and 6,818.06

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Solution

The fourth proportional to 19,968.76, 29,956.67 and 6,818.06 is: 10,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.76 : 29,956.67 = 6,818.06 : x
  2. Step 2: Convert to fraction form
    19,968.76/29,956.67 = 6,818.06/x
  3. Step 3: Cross multiply
    19,968.76x = 29,956.67 × 6,818.06
  4. Step 4: Simplify right side
    19,968.76x = 204,246,373.46
  5. Step 5: Solve for x
    x = 204,246,373.46/19,968.76
  6. Step 6: Final answer
    x = 10,228.30

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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.