Home / 15,011.06-20,717.82-8,727.08

Finding the Fourth Proportional to 15,011.06, 20,717.82 and 8,727.08

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Solution

The fourth proportional to 15,011.06, 20,717.82 and 8,727.08 is: 12,044.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,011.06 : 20,717.82 = 8,727.08 : x
  2. Step 2: Convert to fraction form
    15,011.06/20,717.82 = 8,727.08/x
  3. Step 3: Cross multiply
    15,011.06x = 20,717.82 × 8,727.08
  4. Step 4: Simplify right side
    15,011.06x = 180,806,072.57
  5. Step 5: Solve for x
    x = 180,806,072.57/15,011.06
  6. Step 6: Final answer
    x = 12,044.86

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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.