Home / 13,950.18-20,924.64-4,089.60

Finding the Fourth Proportional to 13,950.18, 20,924.64 and 4,089.60

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Solution

The fourth proportional to 13,950.18, 20,924.64 and 4,089.60 is: 6,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.18 : 20,924.64 = 4,089.60 : x
  2. Step 2: Convert to fraction form
    13,950.18/20,924.64 = 4,089.60/x
  3. Step 3: Cross multiply
    13,950.18x = 20,924.64 × 4,089.60
  4. Step 4: Simplify right side
    13,950.18x = 85,573,407.74
  5. Step 5: Solve for x
    x = 85,573,407.74/13,950.18
  6. Step 6: Final answer
    x = 6,134.22

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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.