Home / 25,148.10-34,702.98-13,815.36

Finding the Fourth Proportional to 25,148.10, 34,702.98 and 13,815.36

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Solution

The fourth proportional to 25,148.10, 34,702.98 and 13,815.36 is: 19,064.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.10 : 34,702.98 = 13,815.36 : x
  2. Step 2: Convert to fraction form
    25,148.10/34,702.98 = 13,815.36/x
  3. Step 3: Cross multiply
    25,148.10x = 34,702.98 × 13,815.36
  4. Step 4: Simplify right side
    25,148.10x = 479,434,161.77
  5. Step 5: Solve for x
    x = 479,434,161.77/25,148.10
  6. Step 6: Final answer
    x = 19,064.43

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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.