Home / 12,901.72-19,326.64-6,732.76

Finding the Fourth Proportional to 12,901.72, 19,326.64 and 6,732.76

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Solution

The fourth proportional to 12,901.72, 19,326.64 and 6,732.76 is: 10,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901.72 : 19,326.64 = 6,732.76 : x
  2. Step 2: Convert to fraction form
    12,901.72/19,326.64 = 6,732.76/x
  3. Step 3: Cross multiply
    12,901.72x = 19,326.64 × 6,732.76
  4. Step 4: Simplify right side
    12,901.72x = 130,121,628.73
  5. Step 5: Solve for x
    x = 130,121,628.73/12,901.72
  6. Step 6: Final answer
    x = 10,085.60

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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.