Home / 18,877.10-26,048.14-10,377.82

Finding the Fourth Proportional to 18,877.10, 26,048.14 and 10,377.82

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Solution

The fourth proportional to 18,877.10, 26,048.14 and 10,377.82 is: 14,320.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,877.10 : 26,048.14 = 10,377.82 : x
  2. Step 2: Convert to fraction form
    18,877.10/26,048.14 = 10,377.82/x
  3. Step 3: Cross multiply
    18,877.10x = 26,048.14 × 10,377.82
  4. Step 4: Simplify right side
    18,877.10x = 270,322,908.25
  5. Step 5: Solve for x
    x = 270,322,908.25/18,877.10
  6. Step 6: Final answer
    x = 14,320.15

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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.