Home / 28,512.60-39,342.66-16,573.20

Finding the Fourth Proportional to 28,512.60, 39,342.66 and 16,573.20

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Solution

The fourth proportional to 28,512.60, 39,342.66 and 16,573.20 is: 22,868.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512.60 : 39,342.66 = 16,573.20 : x
  2. Step 2: Convert to fraction form
    28,512.60/39,342.66 = 16,573.20/x
  3. Step 3: Cross multiply
    28,512.60x = 39,342.66 × 16,573.20
  4. Step 4: Simplify right side
    28,512.60x = 652,033,772.71
  5. Step 5: Solve for x
    x = 652,033,772.71/28,512.60
  6. Step 6: Final answer
    x = 22,868.27

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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.