Home / 12,732.72-19,088.28-5,333.64

Finding the Fourth Proportional to 12,732.72, 19,088.28 and 5,333.64

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Solution

The fourth proportional to 12,732.72, 19,088.28 and 5,333.64 is: 7,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732.72 : 19,088.28 = 5,333.64 : x
  2. Step 2: Convert to fraction form
    12,732.72/19,088.28 = 5,333.64/x
  3. Step 3: Cross multiply
    12,732.72x = 19,088.28 × 5,333.64
  4. Step 4: Simplify right side
    12,732.72x = 101,810,013.74
  5. Step 5: Solve for x
    x = 101,810,013.74/12,732.72
  6. Step 6: Final answer
    x = 7,995.94

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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.