Home / 25,128.13-37,692.51-6,408.16

Finding the Fourth Proportional to 25,128.13, 37,692.51 and 6,408.16

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Solution

The fourth proportional to 25,128.13, 37,692.51 and 6,408.16 is: 9,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,128.13 : 37,692.51 = 6,408.16 : x
  2. Step 2: Convert to fraction form
    25,128.13/37,692.51 = 6,408.16/x
  3. Step 3: Cross multiply
    25,128.13x = 37,692.51 × 6,408.16
  4. Step 4: Simplify right side
    25,128.13x = 241,539,634.88
  5. Step 5: Solve for x
    x = 241,539,634.88/25,128.13
  6. Step 6: Final answer
    x = 9,612.32

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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.