Home / 18,585.84-25,648.32-10,087.76

Finding the Fourth Proportional to 18,585.84, 25,648.32 and 10,087.76

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Solution

The fourth proportional to 18,585.84, 25,648.32 and 10,087.76 is: 13,921.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.84 : 25,648.32 = 10,087.76 : x
  2. Step 2: Convert to fraction form
    18,585.84/25,648.32 = 10,087.76/x
  3. Step 3: Cross multiply
    18,585.84x = 25,648.32 × 10,087.76
  4. Step 4: Simplify right side
    18,585.84x = 258,734,096.56
  5. Step 5: Solve for x
    x = 258,734,096.56/18,585.84
  6. Step 6: Final answer
    x = 13,921.03

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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.