Home / 25,027.20-37,551.60-12,715.20

Finding the Fourth Proportional to 25,027.20, 37,551.60 and 12,715.20

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Solution

The fourth proportional to 25,027.20, 37,551.60 and 12,715.20 is: 19,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,027.20 : 37,551.60 = 12,715.20 : x
  2. Step 2: Convert to fraction form
    25,027.20/37,551.60 = 12,715.20/x
  3. Step 3: Cross multiply
    25,027.20x = 37,551.60 × 12,715.20
  4. Step 4: Simplify right side
    25,027.20x = 477,476,104.32
  5. Step 5: Solve for x
    x = 477,476,104.32/25,027.20
  6. Step 6: Final answer
    x = 19,078.29

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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.