Home / 19,966.90-27,553.34-12,007.58

Finding the Fourth Proportional to 19,966.90, 27,553.34 and 12,007.58

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Solution

The fourth proportional to 19,966.90, 27,553.34 and 12,007.58 is: 16,569.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.90 : 27,553.34 = 12,007.58 : x
  2. Step 2: Convert to fraction form
    19,966.90/27,553.34 = 12,007.58/x
  3. Step 3: Cross multiply
    19,966.90x = 27,553.34 × 12,007.58
  4. Step 4: Simplify right side
    19,966.90x = 330,848,934.32
  5. Step 5: Solve for x
    x = 330,848,934.32/19,966.90
  6. Step 6: Final answer
    x = 16,569.87

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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.