Home / 18,983.57-26,204.31-11,430.27

Finding the Fourth Proportional to 18,983.57, 26,204.31 and 11,430.27

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Solution

The fourth proportional to 18,983.57, 26,204.31 and 11,430.27 is: 15,777.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983.57 : 26,204.31 = 11,430.27 : x
  2. Step 2: Convert to fraction form
    18,983.57/26,204.31 = 11,430.27/x
  3. Step 3: Cross multiply
    18,983.57x = 26,204.31 × 11,430.27
  4. Step 4: Simplify right side
    18,983.57x = 299,522,338.46
  5. Step 5: Solve for x
    x = 299,522,338.46/18,983.57
  6. Step 6: Final answer
    x = 15,777.98

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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.