Home / 19,609.12-29,410.56-5,754.88

Finding the Fourth Proportional to 19,609.12, 29,410.56 and 5,754.88

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Solution

The fourth proportional to 19,609.12, 29,410.56 and 5,754.88 is: 8,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,609.12 : 29,410.56 = 5,754.88 : x
  2. Step 2: Convert to fraction form
    19,609.12/29,410.56 = 5,754.88/x
  3. Step 3: Cross multiply
    19,609.12x = 29,410.56 × 5,754.88
  4. Step 4: Simplify right side
    19,609.12x = 169,254,243.53
  5. Step 5: Solve for x
    x = 169,254,243.53/19,609.12
  6. Step 6: Final answer
    x = 8,631.40

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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.