Home / 25,048.20-34,551.12-19,662.51

Finding the Fourth Proportional to 25,048.20, 34,551.12 and 19,662.51

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Solution

The fourth proportional to 25,048.20, 34,551.12 and 19,662.51 is: 27,122.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,048.20 : 34,551.12 = 19,662.51 : x
  2. Step 2: Convert to fraction form
    25,048.20/34,551.12 = 19,662.51/x
  3. Step 3: Cross multiply
    25,048.20x = 34,551.12 × 19,662.51
  4. Step 4: Simplify right side
    25,048.20x = 679,361,742.51
  5. Step 5: Solve for x
    x = 679,361,742.51/25,048.20
  6. Step 6: Final answer
    x = 27,122.18

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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.