Home / 18,288.34-25,237.33-10,221.77

Finding the Fourth Proportional to 18,288.34, 25,237.33 and 10,221.77

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Solution

The fourth proportional to 18,288.34, 25,237.33 and 10,221.77 is: 14,105.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.34 : 25,237.33 = 10,221.77 : x
  2. Step 2: Convert to fraction form
    18,288.34/25,237.33 = 10,221.77/x
  3. Step 3: Cross multiply
    18,288.34x = 25,237.33 × 10,221.77
  4. Step 4: Simplify right side
    18,288.34x = 257,970,220.21
  5. Step 5: Solve for x
    x = 257,970,220.21/18,288.34
  6. Step 6: Final answer
    x = 14,105.72

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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.