Home / 18,937.22-26,134.56-10,553.72

Finding the Fourth Proportional to 18,937.22, 26,134.56 and 10,553.72

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Solution

The fourth proportional to 18,937.22, 26,134.56 and 10,553.72 is: 14,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937.22 : 26,134.56 = 10,553.72 : x
  2. Step 2: Convert to fraction form
    18,937.22/26,134.56 = 10,553.72/x
  3. Step 3: Cross multiply
    18,937.22x = 26,134.56 × 10,553.72
  4. Step 4: Simplify right side
    18,937.22x = 275,816,828.56
  5. Step 5: Solve for x
    x = 275,816,828.56/18,937.22
  6. Step 6: Final answer
    x = 14,564.80

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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.