Home / 15,164.43-20,926.97-8,792.28

Finding the Fourth Proportional to 15,164.43, 20,926.97 and 8,792.28

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Solution

The fourth proportional to 15,164.43, 20,926.97 and 8,792.28 is: 12,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,164.43 : 20,926.97 = 8,792.28 : x
  2. Step 2: Convert to fraction form
    15,164.43/20,926.97 = 8,792.28/x
  3. Step 3: Cross multiply
    15,164.43x = 20,926.97 × 8,792.28
  4. Step 4: Simplify right side
    15,164.43x = 183,995,779.79
  5. Step 5: Solve for x
    x = 183,995,779.79/15,164.43
  6. Step 6: Final answer
    x = 12,133.38

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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.