Home / 19,966.76-29,953.67-6,816.06

Finding the Fourth Proportional to 19,966.76, 29,953.67 and 6,816.06

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Solution

The fourth proportional to 19,966.76, 29,953.67 and 6,816.06 is: 10,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.76 : 29,953.67 = 6,816.06 : x
  2. Step 2: Convert to fraction form
    19,966.76/29,953.67 = 6,816.06/x
  3. Step 3: Cross multiply
    19,966.76x = 29,953.67 × 6,816.06
  4. Step 4: Simplify right side
    19,966.76x = 204,165,977.86
  5. Step 5: Solve for x
    x = 204,165,977.86/19,966.76
  6. Step 6: Final answer
    x = 10,225.30

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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.