Home / 25,202.75-34,782.41-18,904.19

Finding the Fourth Proportional to 25,202.75, 34,782.41 and 18,904.19

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Solution

The fourth proportional to 25,202.75, 34,782.41 and 18,904.19 is: 26,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,202.75 : 34,782.41 = 18,904.19 : x
  2. Step 2: Convert to fraction form
    25,202.75/34,782.41 = 18,904.19/x
  3. Step 3: Cross multiply
    25,202.75x = 34,782.41 × 18,904.19
  4. Step 4: Simplify right side
    25,202.75x = 657,533,160.65
  5. Step 5: Solve for x
    x = 657,533,160.65/25,202.75
  6. Step 6: Final answer
    x = 26,089.74

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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.