Home / 13,924.48-20,894.88-5,603.20

Finding the Fourth Proportional to 13,924.48, 20,894.88 and 5,603.20

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Solution

The fourth proportional to 13,924.48, 20,894.88 and 5,603.20 is: 8,408.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.48 : 20,894.88 = 5,603.20 : x
  2. Step 2: Convert to fraction form
    13,924.48/20,894.88 = 5,603.20/x
  3. Step 3: Cross multiply
    13,924.48x = 20,894.88 × 5,603.20
  4. Step 4: Simplify right side
    13,924.48x = 117,078,191.62
  5. Step 5: Solve for x
    x = 117,078,191.62/13,924.48
  6. Step 6: Final answer
    x = 8,408.08

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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.