Home / 19,474.24-29,199.68-8,931.06

Finding the Fourth Proportional to 19,474.24, 29,199.68 and 8,931.06

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Solution

The fourth proportional to 19,474.24, 29,199.68 and 8,931.06 is: 13,391.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,474.24 : 29,199.68 = 8,931.06 : x
  2. Step 2: Convert to fraction form
    19,474.24/29,199.68 = 8,931.06/x
  3. Step 3: Cross multiply
    19,474.24x = 29,199.68 × 8,931.06
  4. Step 4: Simplify right side
    19,474.24x = 260,784,094.06
  5. Step 5: Solve for x
    x = 260,784,094.06/19,474.24
  6. Step 6: Final answer
    x = 13,391.23

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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.