Home / 19,819.04-27,350.32-10,866.88

Finding the Fourth Proportional to 19,819.04, 27,350.32 and 10,866.88

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Solution

The fourth proportional to 19,819.04, 27,350.32 and 10,866.88 is: 14,996.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.04 : 27,350.32 = 10,866.88 : x
  2. Step 2: Convert to fraction form
    19,819.04/27,350.32 = 10,866.88/x
  3. Step 3: Cross multiply
    19,819.04x = 27,350.32 × 10,866.88
  4. Step 4: Simplify right side
    19,819.04x = 297,212,645.40
  5. Step 5: Solve for x
    x = 297,212,645.40/19,819.04
  6. Step 6: Final answer
    x = 14,996.32

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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.