Home / 13,284.73-19,917.78-5,885.17

Finding the Fourth Proportional to 13,284.73, 19,917.78 and 5,885.17

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Solution

The fourth proportional to 13,284.73, 19,917.78 and 5,885.17 is: 8,823.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.73 : 19,917.78 = 5,885.17 : x
  2. Step 2: Convert to fraction form
    13,284.73/19,917.78 = 5,885.17/x
  3. Step 3: Cross multiply
    13,284.73x = 19,917.78 × 5,885.17
  4. Step 4: Simplify right side
    13,284.73x = 117,219,521.32
  5. Step 5: Solve for x
    x = 117,219,521.32/13,284.73
  6. Step 6: Final answer
    x = 8,823.63

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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.