Home / 18,767.49-25,892.85-10,809.56

Finding the Fourth Proportional to 18,767.49, 25,892.85 and 10,809.56

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Solution

The fourth proportional to 18,767.49, 25,892.85 and 10,809.56 is: 14,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.49 : 25,892.85 = 10,809.56 : x
  2. Step 2: Convert to fraction form
    18,767.49/25,892.85 = 10,809.56/x
  3. Step 3: Cross multiply
    18,767.49x = 25,892.85 × 10,809.56
  4. Step 4: Simplify right side
    18,767.49x = 279,890,186.18
  5. Step 5: Solve for x
    x = 279,890,186.18/18,767.49
  6. Step 6: Final answer
    x = 14,913.57

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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.