Home / 18,878.09-26,013.38-14,603.19

Finding the Fourth Proportional to 18,878.09, 26,013.38 and 14,603.19

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Solution

The fourth proportional to 18,878.09, 26,013.38 and 14,603.19 is: 20,122.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878.09 : 26,013.38 = 14,603.19 : x
  2. Step 2: Convert to fraction form
    18,878.09/26,013.38 = 14,603.19/x
  3. Step 3: Cross multiply
    18,878.09x = 26,013.38 × 14,603.19
  4. Step 4: Simplify right side
    18,878.09x = 379,878,312.43
  5. Step 5: Solve for x
    x = 379,878,312.43/18,878.09
  6. Step 6: Final answer
    x = 20,122.71

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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.