Home / 19,636.36-27,088.64-11,672.94

Finding the Fourth Proportional to 19,636.36, 27,088.64 and 11,672.94

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Solution

The fourth proportional to 19,636.36, 27,088.64 and 11,672.94 is: 16,102.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.36 : 27,088.64 = 11,672.94 : x
  2. Step 2: Convert to fraction form
    19,636.36/27,088.64 = 11,672.94/x
  3. Step 3: Cross multiply
    19,636.36x = 27,088.64 × 11,672.94
  4. Step 4: Simplify right side
    19,636.36x = 316,204,069.40
  5. Step 5: Solve for x
    x = 316,204,069.40/19,636.36
  6. Step 6: Final answer
    x = 16,102.99

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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.