Home / 18,883.34-26,034.93-11,807.18

Finding the Fourth Proportional to 18,883.34, 26,034.93 and 11,807.18

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Solution

The fourth proportional to 18,883.34, 26,034.93 and 11,807.18 is: 16,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,883.34 : 26,034.93 = 11,807.18 : x
  2. Step 2: Convert to fraction form
    18,883.34/26,034.93 = 11,807.18/x
  3. Step 3: Cross multiply
    18,883.34x = 26,034.93 × 11,807.18
  4. Step 4: Simplify right side
    18,883.34x = 307,399,104.80
  5. Step 5: Solve for x
    x = 307,399,104.80/18,883.34
  6. Step 6: Final answer
    x = 16,278.85

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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.