Home / 19,931.13-29,895.48-8,244.05

Finding the Fourth Proportional to 19,931.13, 29,895.48 and 8,244.05

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Solution

The fourth proportional to 19,931.13, 29,895.48 and 8,244.05 is: 12,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.13 : 29,895.48 = 8,244.05 : x
  2. Step 2: Convert to fraction form
    19,931.13/29,895.48 = 8,244.05/x
  3. Step 3: Cross multiply
    19,931.13x = 29,895.48 × 8,244.05
  4. Step 4: Simplify right side
    19,931.13x = 246,459,682.42
  5. Step 5: Solve for x
    x = 246,459,682.42/19,931.13
  6. Step 6: Final answer
    x = 12,365.56

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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.