Home / 16,925.52-25,359.12-13,178.64

Finding the Fourth Proportional to 16,925.52, 25,359.12 and 13,178.64

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Solution

The fourth proportional to 16,925.52, 25,359.12 and 13,178.64 is: 19,745.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,925.52 : 25,359.12 = 13,178.64 : x
  2. Step 2: Convert to fraction form
    16,925.52/25,359.12 = 13,178.64/x
  3. Step 3: Cross multiply
    16,925.52x = 25,359.12 × 13,178.64
  4. Step 4: Simplify right side
    16,925.52x = 334,198,713.20
  5. Step 5: Solve for x
    x = 334,198,713.20/16,925.52
  6. Step 6: Final answer
    x = 19,745.26

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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.