Home / 25,234.64-34,805.16-18,518

Finding the Fourth Proportional to 25,234.64, 34,805.16 and 18,518

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Solution

The fourth proportional to 25,234.64, 34,805.16 and 18,518 is: 25,541.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,234.64 : 34,805.16 = 18,518 : x
  2. Step 2: Convert to fraction form
    25,234.64/34,805.16 = 18,518/x
  3. Step 3: Cross multiply
    25,234.64x = 34,805.16 × 18,518
  4. Step 4: Simplify right side
    25,234.64x = 644,521,952.88
  5. Step 5: Solve for x
    x = 644,521,952.88/25,234.64
  6. Step 6: Final answer
    x = 25,541.16

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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.