Home / 28,602.50-42,909.94-11,735.55

Finding the Fourth Proportional to 28,602.50, 42,909.94 and 11,735.55

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Solution

The fourth proportional to 28,602.50, 42,909.94 and 11,735.55 is: 17,605.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,602.50 : 42,909.94 = 11,735.55 : x
  2. Step 2: Convert to fraction form
    28,602.50/42,909.94 = 11,735.55/x
  3. Step 3: Cross multiply
    28,602.50x = 42,909.94 × 11,735.55
  4. Step 4: Simplify right side
    28,602.50x = 503,571,531.82
  5. Step 5: Solve for x
    x = 503,571,531.82/28,602.50
  6. Step 6: Final answer
    x = 17,605.86

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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.