Home / 13,349.60-20,024.64-4,115.36

Finding the Fourth Proportional to 13,349.60, 20,024.64 and 4,115.36

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Solution

The fourth proportional to 13,349.60, 20,024.64 and 4,115.36 is: 6,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.60 : 20,024.64 = 4,115.36 : x
  2. Step 2: Convert to fraction form
    13,349.60/20,024.64 = 4,115.36/x
  3. Step 3: Cross multiply
    13,349.60x = 20,024.64 × 4,115.36
  4. Step 4: Simplify right side
    13,349.60x = 82,408,602.47
  5. Step 5: Solve for x
    x = 82,408,602.47/13,349.60
  6. Step 6: Final answer
    x = 6,173.11

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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.