Home / 19,474.20-29,199.61-8,931.01

Finding the Fourth Proportional to 19,474.20, 29,199.61 and 8,931.01

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Solution

The fourth proportional to 19,474.20, 29,199.61 and 8,931.01 is: 13,391.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,474.20 : 29,199.61 = 8,931.01 : x
  2. Step 2: Convert to fraction form
    19,474.20/29,199.61 = 8,931.01/x
  3. Step 3: Cross multiply
    19,474.20x = 29,199.61 × 8,931.01
  4. Step 4: Simplify right side
    19,474.20x = 260,781,818.25
  5. Step 5: Solve for x
    x = 260,781,818.25/19,474.20
  6. Step 6: Final answer
    x = 13,391.15

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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.