Home / 18,845.57-26,005.04-10,887.62

Finding the Fourth Proportional to 18,845.57, 26,005.04 and 10,887.62

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Solution

The fourth proportional to 18,845.57, 26,005.04 and 10,887.62 is: 15,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845.57 : 26,005.04 = 10,887.62 : x
  2. Step 2: Convert to fraction form
    18,845.57/26,005.04 = 10,887.62/x
  3. Step 3: Cross multiply
    18,845.57x = 26,005.04 × 10,887.62
  4. Step 4: Simplify right side
    18,845.57x = 283,132,996.25
  5. Step 5: Solve for x
    x = 283,132,996.25/18,845.57
  6. Step 6: Final answer
    x = 15,023.85

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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.