Home / 13,126.60-19,688.04-3,767.44

Finding the Fourth Proportional to 13,126.60, 19,688.04 and 3,767.44

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Solution

The fourth proportional to 13,126.60, 19,688.04 and 3,767.44 is: 5,650.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.60 : 19,688.04 = 3,767.44 : x
  2. Step 2: Convert to fraction form
    13,126.60/19,688.04 = 3,767.44/x
  3. Step 3: Cross multiply
    13,126.60x = 19,688.04 × 3,767.44
  4. Step 4: Simplify right side
    13,126.60x = 74,173,509.42
  5. Step 5: Solve for x
    x = 74,173,509.42/13,126.60
  6. Step 6: Final answer
    x = 5,650.63

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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.