Home / 37,682.64-52,002.06-20,915.64

Finding the Fourth Proportional to 37,682.64, 52,002.06 and 20,915.64

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Solution

The fourth proportional to 37,682.64, 52,002.06 and 20,915.64 is: 28,863.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,682.64 : 52,002.06 = 20,915.64 : x
  2. Step 2: Convert to fraction form
    37,682.64/52,002.06 = 20,915.64/x
  3. Step 3: Cross multiply
    37,682.64x = 52,002.06 × 20,915.64
  4. Step 4: Simplify right side
    37,682.64x = 1,087,656,366.22
  5. Step 5: Solve for x
    x = 1,087,656,366.22/37,682.64
  6. Step 6: Final answer
    x = 28,863.59

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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.