Home / 18,579.17-25,638.32-11,025.82

Finding the Fourth Proportional to 18,579.17, 25,638.32 and 11,025.82

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Solution

The fourth proportional to 18,579.17, 25,638.32 and 11,025.82 is: 15,215.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.17 : 25,638.32 = 11,025.82 : x
  2. Step 2: Convert to fraction form
    18,579.17/25,638.32 = 11,025.82/x
  3. Step 3: Cross multiply
    18,579.17x = 25,638.32 × 11,025.82
  4. Step 4: Simplify right side
    18,579.17x = 282,683,561.03
  5. Step 5: Solve for x
    x = 282,683,561.03/18,579.17
  6. Step 6: Final answer
    x = 15,215.08

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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.