Home / 28,125.90-42,193.71-11,494.98

Finding the Fourth Proportional to 28,125.90, 42,193.71 and 11,494.98

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Solution

The fourth proportional to 28,125.90, 42,193.71 and 11,494.98 is: 17,244.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,125.90 : 42,193.71 = 11,494.98 : x
  2. Step 2: Convert to fraction form
    28,125.90/42,193.71 = 11,494.98/x
  3. Step 3: Cross multiply
    28,125.90x = 42,193.71 × 11,494.98
  4. Step 4: Simplify right side
    28,125.90x = 485,015,852.58
  5. Step 5: Solve for x
    x = 485,015,852.58/28,125.90
  6. Step 6: Final answer
    x = 17,244.46

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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.