Home / 14,988.25-20,682.90-8,273.71

Finding the Fourth Proportional to 14,988.25, 20,682.90 and 8,273.71

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Solution

The fourth proportional to 14,988.25, 20,682.90 and 8,273.71 is: 11,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.25 : 20,682.90 = 8,273.71 : x
  2. Step 2: Convert to fraction form
    14,988.25/20,682.90 = 8,273.71/x
  3. Step 3: Cross multiply
    14,988.25x = 20,682.90 × 8,273.71
  4. Step 4: Simplify right side
    14,988.25x = 171,124,316.56
  5. Step 5: Solve for x
    x = 171,124,316.56/14,988.25
  6. Step 6: Final answer
    x = 11,417.23

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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.