Home / 18,945.76-26,144.54-10,448.24

Finding the Fourth Proportional to 18,945.76, 26,144.54 and 10,448.24

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Solution

The fourth proportional to 18,945.76, 26,144.54 and 10,448.24 is: 14,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,945.76 : 26,144.54 = 10,448.24 : x
  2. Step 2: Convert to fraction form
    18,945.76/26,144.54 = 10,448.24/x
  3. Step 3: Cross multiply
    18,945.76x = 26,144.54 × 10,448.24
  4. Step 4: Simplify right side
    18,945.76x = 273,164,428.61
  5. Step 5: Solve for x
    x = 273,164,428.61/18,945.76
  6. Step 6: Final answer
    x = 14,418.24

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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.