Home / 18,108.69-24,991.19-10,151.43

Finding the Fourth Proportional to 18,108.69, 24,991.19 and 10,151.43

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Solution

The fourth proportional to 18,108.69, 24,991.19 and 10,151.43 is: 14,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.69 : 24,991.19 = 10,151.43 : x
  2. Step 2: Convert to fraction form
    18,108.69/24,991.19 = 10,151.43/x
  3. Step 3: Cross multiply
    18,108.69x = 24,991.19 × 10,151.43
  4. Step 4: Simplify right side
    18,108.69x = 253,696,315.90
  5. Step 5: Solve for x
    x = 253,696,315.90/18,108.69
  6. Step 6: Final answer
    x = 14,009.64

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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.