Home / 25,148.05-34,704.31-13,818.27

Finding the Fourth Proportional to 25,148.05, 34,704.31 and 13,818.27

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Solution

The fourth proportional to 25,148.05, 34,704.31 and 13,818.27 is: 19,069.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.05 : 34,704.31 = 13,818.27 : x
  2. Step 2: Convert to fraction form
    25,148.05/34,704.31 = 13,818.27/x
  3. Step 3: Cross multiply
    25,148.05x = 34,704.31 × 13,818.27
  4. Step 4: Simplify right side
    25,148.05x = 479,553,525.74
  5. Step 5: Solve for x
    x = 479,553,525.74/25,148.05
  6. Step 6: Final answer
    x = 19,069.21

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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.