Home / 13,931.08-20,846.72-12,063.44

Finding the Fourth Proportional to 13,931.08, 20,846.72 and 12,063.44

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Solution

The fourth proportional to 13,931.08, 20,846.72 and 12,063.44 is: 18,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,931.08 : 20,846.72 = 12,063.44 : x
  2. Step 2: Convert to fraction form
    13,931.08/20,846.72 = 12,063.44/x
  3. Step 3: Cross multiply
    13,931.08x = 20,846.72 × 12,063.44
  4. Step 4: Simplify right side
    13,931.08x = 251,483,155.92
  5. Step 5: Solve for x
    x = 251,483,155.92/13,931.08
  6. Step 6: Final answer
    x = 18,051.95

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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.