Home / 29,280.42-40,396.08-19,214.43

Finding the Fourth Proportional to 29,280.42, 40,396.08 and 19,214.43

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Solution

The fourth proportional to 29,280.42, 40,396.08 and 19,214.43 is: 26,508.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,280.42 : 40,396.08 = 19,214.43 : x
  2. Step 2: Convert to fraction form
    29,280.42/40,396.08 = 19,214.43/x
  3. Step 3: Cross multiply
    29,280.42x = 40,396.08 × 19,214.43
  4. Step 4: Simplify right side
    29,280.42x = 776,187,651.43
  5. Step 5: Solve for x
    x = 776,187,651.43/29,280.42
  6. Step 6: Final answer
    x = 26,508.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.