Home / 18,579.74-25,638.34-11,024.77

Finding the Fourth Proportional to 18,579.74, 25,638.34 and 11,024.77

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Solution

The fourth proportional to 18,579.74, 25,638.34 and 11,024.77 is: 15,213.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.74 : 25,638.34 = 11,024.77 : x
  2. Step 2: Convert to fraction form
    18,579.74/25,638.34 = 11,024.77/x
  3. Step 3: Cross multiply
    18,579.74x = 25,638.34 × 11,024.77
  4. Step 4: Simplify right side
    18,579.74x = 282,656,645.93
  5. Step 5: Solve for x
    x = 282,656,645.93/18,579.74
  6. Step 6: Final answer
    x = 15,213.17

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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.