Home / 14,969.06-20,657.13-8,682.02

Finding the Fourth Proportional to 14,969.06, 20,657.13 and 8,682.02

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Solution

The fourth proportional to 14,969.06, 20,657.13 and 8,682.02 is: 11,981.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969.06 : 20,657.13 = 8,682.02 : x
  2. Step 2: Convert to fraction form
    14,969.06/20,657.13 = 8,682.02/x
  3. Step 3: Cross multiply
    14,969.06x = 20,657.13 × 8,682.02
  4. Step 4: Simplify right side
    14,969.06x = 179,345,615.80
  5. Step 5: Solve for x
    x = 179,345,615.80/14,969.06
  6. Step 6: Final answer
    x = 11,981.09

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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.