Home / 18,878.53-26,052.68-10,381.02

Finding the Fourth Proportional to 18,878.53, 26,052.68 and 10,381.02

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Solution

The fourth proportional to 18,878.53, 26,052.68 and 10,381.02 is: 14,325.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878.53 : 26,052.68 = 10,381.02 : x
  2. Step 2: Convert to fraction form
    18,878.53/26,052.68 = 10,381.02/x
  3. Step 3: Cross multiply
    18,878.53x = 26,052.68 × 10,381.02
  4. Step 4: Simplify right side
    18,878.53x = 270,453,340.23
  5. Step 5: Solve for x
    x = 270,453,340.23/18,878.53
  6. Step 6: Final answer
    x = 14,325.97

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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.