Home / 25,388.36-38,126.10-15,585.20

Finding the Fourth Proportional to 25,388.36, 38,126.10 and 15,585.20

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Solution

The fourth proportional to 25,388.36, 38,126.10 and 15,585.20 is: 23,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,388.36 : 38,126.10 = 15,585.20 : x
  2. Step 2: Convert to fraction form
    25,388.36/38,126.10 = 15,585.20/x
  3. Step 3: Cross multiply
    25,388.36x = 38,126.10 × 15,585.20
  4. Step 4: Simplify right side
    25,388.36x = 594,202,893.72
  5. Step 5: Solve for x
    x = 594,202,893.72/25,388.36
  6. Step 6: Final answer
    x = 23,404.54

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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.