Home / 18,898.08-26,076.59-11,342.81

Finding the Fourth Proportional to 18,898.08, 26,076.59 and 11,342.81

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Solution

The fourth proportional to 18,898.08, 26,076.59 and 11,342.81 is: 15,651.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898.08 : 26,076.59 = 11,342.81 : x
  2. Step 2: Convert to fraction form
    18,898.08/26,076.59 = 11,342.81/x
  3. Step 3: Cross multiply
    18,898.08x = 26,076.59 × 11,342.81
  4. Step 4: Simplify right side
    18,898.08x = 295,781,618.72
  5. Step 5: Solve for x
    x = 295,781,618.72/18,898.08
  6. Step 6: Final answer
    x = 15,651.41

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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.