Home / 14,117.68-21,176.52-3,729.52

Finding the Fourth Proportional to 14,117.68, 21,176.52 and 3,729.52

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Solution

The fourth proportional to 14,117.68, 21,176.52 and 3,729.52 is: 5,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.68 : 21,176.52 = 3,729.52 : x
  2. Step 2: Convert to fraction form
    14,117.68/21,176.52 = 3,729.52/x
  3. Step 3: Cross multiply
    14,117.68x = 21,176.52 × 3,729.52
  4. Step 4: Simplify right side
    14,117.68x = 78,978,254.87
  5. Step 5: Solve for x
    x = 78,978,254.87/14,117.68
  6. Step 6: Final answer
    x = 5,594.28

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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.