Home / 19,819.10-27,350.46-10,866.74

Finding the Fourth Proportional to 19,819.10, 27,350.46 and 10,866.74

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Solution

The fourth proportional to 19,819.10, 27,350.46 and 10,866.74 is: 14,996.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.10 : 27,350.46 = 10,866.74 : x
  2. Step 2: Convert to fraction form
    19,819.10/27,350.46 = 10,866.74/x
  3. Step 3: Cross multiply
    19,819.10x = 27,350.46 × 10,866.74
  4. Step 4: Simplify right side
    19,819.10x = 297,210,337.70
  5. Step 5: Solve for x
    x = 297,210,337.70/19,819.10
  6. Step 6: Final answer
    x = 14,996.16

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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.