Home / 27,479.88-37,922.20-14,904.64

Finding the Fourth Proportional to 27,479.88, 37,922.20 and 14,904.64

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Solution

The fourth proportional to 27,479.88, 37,922.20 and 14,904.64 is: 20,568.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,479.88 : 37,922.20 = 14,904.64 : x
  2. Step 2: Convert to fraction form
    27,479.88/37,922.20 = 14,904.64/x
  3. Step 3: Cross multiply
    27,479.88x = 37,922.20 × 14,904.64
  4. Step 4: Simplify right side
    27,479.88x = 565,216,739.01
  5. Step 5: Solve for x
    x = 565,216,739.01/27,479.88
  6. Step 6: Final answer
    x = 20,568.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.