Home / 25,148.58-34,705.62-13,818.78

Finding the Fourth Proportional to 25,148.58, 34,705.62 and 13,818.78

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Solution

The fourth proportional to 25,148.58, 34,705.62 and 13,818.78 is: 19,070.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.58 : 34,705.62 = 13,818.78 : x
  2. Step 2: Convert to fraction form
    25,148.58/34,705.62 = 13,818.78/x
  3. Step 3: Cross multiply
    25,148.58x = 34,705.62 × 13,818.78
  4. Step 4: Simplify right side
    25,148.58x = 479,589,327.54
  5. Step 5: Solve for x
    x = 479,589,327.54/25,148.58
  6. Step 6: Final answer
    x = 19,070.23

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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.