Home / 25,622.10-38,433.15-25,458.30

Finding the Fourth Proportional to 25,622.10, 38,433.15 and 25,458.30

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Solution

The fourth proportional to 25,622.10, 38,433.15 and 25,458.30 is: 38,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,622.10 : 38,433.15 = 25,458.30 : x
  2. Step 2: Convert to fraction form
    25,622.10/38,433.15 = 25,458.30/x
  3. Step 3: Cross multiply
    25,622.10x = 38,433.15 × 25,458.30
  4. Step 4: Simplify right side
    25,622.10x = 978,442,662.65
  5. Step 5: Solve for x
    x = 978,442,662.65/25,622.10
  6. Step 6: Final answer
    x = 38,187.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.