Home / 18,939.34-26,135.06-10,441.53

Finding the Fourth Proportional to 18,939.34, 26,135.06 and 10,441.53

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Solution

The fourth proportional to 18,939.34, 26,135.06 and 10,441.53 is: 14,408.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,939.34 : 26,135.06 = 10,441.53 : x
  2. Step 2: Convert to fraction form
    18,939.34/26,135.06 = 10,441.53/x
  3. Step 3: Cross multiply
    18,939.34x = 26,135.06 × 10,441.53
  4. Step 4: Simplify right side
    18,939.34x = 272,890,013.04
  5. Step 5: Solve for x
    x = 272,890,013.04/18,939.34
  6. Step 6: Final answer
    x = 14,408.63

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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.