Home / 25,117.54-34,660.31-13,785.24

Finding the Fourth Proportional to 25,117.54, 34,660.31 and 13,785.24

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Solution

The fourth proportional to 25,117.54, 34,660.31 and 13,785.24 is: 19,022.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,117.54 : 34,660.31 = 13,785.24 : x
  2. Step 2: Convert to fraction form
    25,117.54/34,660.31 = 13,785.24/x
  3. Step 3: Cross multiply
    25,117.54x = 34,660.31 × 13,785.24
  4. Step 4: Simplify right side
    25,117.54x = 477,800,557.91
  5. Step 5: Solve for x
    x = 477,800,557.91/25,117.54
  6. Step 6: Final answer
    x = 19,022.58

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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.