Home / 14,996.13-20,696.48-8,708.50

Finding the Fourth Proportional to 14,996.13, 20,696.48 and 8,708.50

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Solution

The fourth proportional to 14,996.13, 20,696.48 and 8,708.50 is: 12,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,996.13 : 20,696.48 = 8,708.50 : x
  2. Step 2: Convert to fraction form
    14,996.13/20,696.48 = 8,708.50/x
  3. Step 3: Cross multiply
    14,996.13x = 20,696.48 × 8,708.50
  4. Step 4: Simplify right side
    14,996.13x = 180,235,296.08
  5. Step 5: Solve for x
    x = 180,235,296.08/14,996.13
  6. Step 6: Final answer
    x = 12,018.79

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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.