Home / 18,335.25-25,304.27-10,777.79

Finding the Fourth Proportional to 18,335.25, 25,304.27 and 10,777.79

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Solution

The fourth proportional to 18,335.25, 25,304.27 and 10,777.79 is: 14,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.25 : 25,304.27 = 10,777.79 : x
  2. Step 2: Convert to fraction form
    18,335.25/25,304.27 = 10,777.79/x
  3. Step 3: Cross multiply
    18,335.25x = 25,304.27 × 10,777.79
  4. Step 4: Simplify right side
    18,335.25x = 272,723,927.75
  5. Step 5: Solve for x
    x = 272,723,927.75/18,335.25
  6. Step 6: Final answer
    x = 14,874.30

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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.