Home / 19,282.08-28,915.82-10,512.22

Finding the Fourth Proportional to 19,282.08, 28,915.82 and 10,512.22

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Solution

The fourth proportional to 19,282.08, 28,915.82 and 10,512.22 is: 15,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.08 : 28,915.82 = 10,512.22 : x
  2. Step 2: Convert to fraction form
    19,282.08/28,915.82 = 10,512.22/x
  3. Step 3: Cross multiply
    19,282.08x = 28,915.82 × 10,512.22
  4. Step 4: Simplify right side
    19,282.08x = 303,969,461.32
  5. Step 5: Solve for x
    x = 303,969,461.32/19,282.08
  6. Step 6: Final answer
    x = 15,764.35

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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.