Home / 18,943.84-26,142.70-10,446.27

Finding the Fourth Proportional to 18,943.84, 26,142.70 and 10,446.27

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Solution

The fourth proportional to 18,943.84, 26,142.70 and 10,446.27 is: 14,415.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.84 : 26,142.70 = 10,446.27 : x
  2. Step 2: Convert to fraction form
    18,943.84/26,142.70 = 10,446.27/x
  3. Step 3: Cross multiply
    18,943.84x = 26,142.70 × 10,446.27
  4. Step 4: Simplify right side
    18,943.84x = 273,093,598.16
  5. Step 5: Solve for x
    x = 273,093,598.16/18,943.84
  6. Step 6: Final answer
    x = 14,415.96

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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.