Home / 18,553.10-25,602.36-10,486.58

Finding the Fourth Proportional to 18,553.10, 25,602.36 and 10,486.58

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Solution

The fourth proportional to 18,553.10, 25,602.36 and 10,486.58 is: 14,470.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553.10 : 25,602.36 = 10,486.58 : x
  2. Step 2: Convert to fraction form
    18,553.10/25,602.36 = 10,486.58/x
  3. Step 3: Cross multiply
    18,553.10x = 25,602.36 × 10,486.58
  4. Step 4: Simplify right side
    18,553.10x = 268,481,196.33
  5. Step 5: Solve for x
    x = 268,481,196.33/18,553.10
  6. Step 6: Final answer
    x = 14,470.96

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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.