Home / 18,801.83-25,939.65-11,248.37

Finding the Fourth Proportional to 18,801.83, 25,939.65 and 11,248.37

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Solution

The fourth proportional to 18,801.83, 25,939.65 and 11,248.37 is: 15,518.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801.83 : 25,939.65 = 11,248.37 : x
  2. Step 2: Convert to fraction form
    18,801.83/25,939.65 = 11,248.37/x
  3. Step 3: Cross multiply
    18,801.83x = 25,939.65 × 11,248.37
  4. Step 4: Simplify right side
    18,801.83x = 291,778,887.90
  5. Step 5: Solve for x
    x = 291,778,887.90/18,801.83
  6. Step 6: Final answer
    x = 15,518.65

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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.