Home / 14,502.69-21,750.61-8,180.28

Finding the Fourth Proportional to 14,502.69, 21,750.61 and 8,180.28

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Solution

The fourth proportional to 14,502.69, 21,750.61 and 8,180.28 is: 12,268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,502.69 : 21,750.61 = 8,180.28 : x
  2. Step 2: Convert to fraction form
    14,502.69/21,750.61 = 8,180.28/x
  3. Step 3: Cross multiply
    14,502.69x = 21,750.61 × 8,180.28
  4. Step 4: Simplify right side
    14,502.69x = 177,926,039.07
  5. Step 5: Solve for x
    x = 177,926,039.07/14,502.69
  6. Step 6: Final answer
    x = 12,268.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.