Home / 18,787.56-25,924.74-10,401.96

Finding the Fourth Proportional to 18,787.56, 25,924.74 and 10,401.96

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Solution

The fourth proportional to 18,787.56, 25,924.74 and 10,401.96 is: 14,353.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.56 : 25,924.74 = 10,401.96 : x
  2. Step 2: Convert to fraction form
    18,787.56/25,924.74 = 10,401.96/x
  3. Step 3: Cross multiply
    18,787.56x = 25,924.74 × 10,401.96
  4. Step 4: Simplify right side
    18,787.56x = 269,668,108.49
  5. Step 5: Solve for x
    x = 269,668,108.49/18,787.56
  6. Step 6: Final answer
    x = 14,353.55

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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.