Home / 19,197.60-28,750.32-13,022.88

Finding the Fourth Proportional to 19,197.60, 28,750.32 and 13,022.88

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Solution

The fourth proportional to 19,197.60, 28,750.32 and 13,022.88 is: 19,503.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197.60 : 28,750.32 = 13,022.88 : x
  2. Step 2: Convert to fraction form
    19,197.60/28,750.32 = 13,022.88/x
  3. Step 3: Cross multiply
    19,197.60x = 28,750.32 × 13,022.88
  4. Step 4: Simplify right side
    19,197.60x = 374,411,967.32
  5. Step 5: Solve for x
    x = 374,411,967.32/19,197.60
  6. Step 6: Final answer
    x = 19,503.06

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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.