Home / 16,854.78-25,261.67-11,925.84

Finding the Fourth Proportional to 16,854.78, 25,261.67 and 11,925.84

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Solution

The fourth proportional to 16,854.78, 25,261.67 and 11,925.84 is: 17,874.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.78 : 25,261.67 = 11,925.84 : x
  2. Step 2: Convert to fraction form
    16,854.78/25,261.67 = 11,925.84/x
  3. Step 3: Cross multiply
    16,854.78x = 25,261.67 × 11,925.84
  4. Step 4: Simplify right side
    16,854.78x = 301,266,634.55
  5. Step 5: Solve for x
    x = 301,266,634.55/16,854.78
  6. Step 6: Final answer
    x = 17,874.25

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1.5x scale

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.