Home / 19,819.17-27,349.73-10,866.48

Finding the Fourth Proportional to 19,819.17, 27,349.73 and 10,866.48

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Solution

The fourth proportional to 19,819.17, 27,349.73 and 10,866.48 is: 14,995.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.17 : 27,349.73 = 10,866.48 : x
  2. Step 2: Convert to fraction form
    19,819.17/27,349.73 = 10,866.48/x
  3. Step 3: Cross multiply
    19,819.17x = 27,349.73 × 10,866.48
  4. Step 4: Simplify right side
    19,819.17x = 297,195,294.05
  5. Step 5: Solve for x
    x = 297,195,294.05/19,819.17
  6. Step 6: Final answer
    x = 14,995.35

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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.