Home / 25,143.66-34,698.83-13,813.34

Finding the Fourth Proportional to 25,143.66, 34,698.83 and 13,813.34

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Solution

The fourth proportional to 25,143.66, 34,698.83 and 13,813.34 is: 19,062.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.66 : 34,698.83 = 13,813.34 : x
  2. Step 2: Convert to fraction form
    25,143.66/34,698.83 = 13,813.34/x
  3. Step 3: Cross multiply
    25,143.66x = 34,698.83 × 13,813.34
  4. Step 4: Simplify right side
    25,143.66x = 479,306,493.83
  5. Step 5: Solve for x
    x = 479,306,493.83/25,143.66
  6. Step 6: Final answer
    x = 19,062.72

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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.