Home / 19,663.12-29,494.68-5,808.88

Finding the Fourth Proportional to 19,663.12, 29,494.68 and 5,808.88

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Solution

The fourth proportional to 19,663.12, 29,494.68 and 5,808.88 is: 8,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.12 : 29,494.68 = 5,808.88 : x
  2. Step 2: Convert to fraction form
    19,663.12/29,494.68 = 5,808.88/x
  3. Step 3: Cross multiply
    19,663.12x = 29,494.68 × 5,808.88
  4. Step 4: Simplify right side
    19,663.12x = 171,331,056.76
  5. Step 5: Solve for x
    x = 171,331,056.76/19,663.12
  6. Step 6: Final answer
    x = 8,713.32

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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.