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Finding the Fourth Proportional to 18,111.94, 24,994.97 and 10,154.02

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Solution

The fourth proportional to 18,111.94, 24,994.97 and 10,154.02 is: 14,012.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.94 : 24,994.97 = 10,154.02 : x
  2. Step 2: Convert to fraction form
    18,111.94/24,994.97 = 10,154.02/x
  3. Step 3: Cross multiply
    18,111.94x = 24,994.97 × 10,154.02
  4. Step 4: Simplify right side
    18,111.94x = 253,799,425.28
  5. Step 5: Solve for x
    x = 253,799,425.28/18,111.94
  6. Step 6: Final answer
    x = 14,012.82

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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.