Home / 12,251.40-16,918.88-10,472.64

Finding the Fourth Proportional to 12,251.40, 16,918.88 and 10,472.64

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Solution

The fourth proportional to 12,251.40, 16,918.88 and 10,472.64 is: 14,462.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.40 : 16,918.88 = 10,472.64 : x
  2. Step 2: Convert to fraction form
    12,251.40/16,918.88 = 10,472.64/x
  3. Step 3: Cross multiply
    12,251.40x = 16,918.88 × 10,472.64
  4. Step 4: Simplify right side
    12,251.40x = 177,185,339.44
  5. Step 5: Solve for x
    x = 177,185,339.44/12,251.40
  6. Step 6: Final answer
    x = 14,462.46

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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.