Home / 18,502.49-25,531.52-10,947.35

Finding the Fourth Proportional to 18,502.49, 25,531.52 and 10,947.35

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Solution

The fourth proportional to 18,502.49, 25,531.52 and 10,947.35 is: 15,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502.49 : 25,531.52 = 10,947.35 : x
  2. Step 2: Convert to fraction form
    18,502.49/25,531.52 = 10,947.35/x
  3. Step 3: Cross multiply
    18,502.49x = 25,531.52 × 10,947.35
  4. Step 4: Simplify right side
    18,502.49x = 279,502,494.56
  5. Step 5: Solve for x
    x = 279,502,494.56/18,502.49
  6. Step 6: Final answer
    x = 15,106.21

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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.