Home / 18,746.17-28,105.36-11,348.88

Finding the Fourth Proportional to 18,746.17, 28,105.36 and 11,348.88

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Solution

The fourth proportional to 18,746.17, 28,105.36 and 11,348.88 is: 17,014.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.17 : 28,105.36 = 11,348.88 : x
  2. Step 2: Convert to fraction form
    18,746.17/28,105.36 = 11,348.88/x
  3. Step 3: Cross multiply
    18,746.17x = 28,105.36 × 11,348.88
  4. Step 4: Simplify right side
    18,746.17x = 318,964,358.00
  5. Step 5: Solve for x
    x = 318,964,358.00/18,746.17
  6. Step 6: Final answer
    x = 17,014.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.