Home / 19,068.60-28,602.12-7,972.44

Finding the Fourth Proportional to 19,068.60, 28,602.12 and 7,972.44

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Solution

The fourth proportional to 19,068.60, 28,602.12 and 7,972.44 is: 11,958.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,068.60 : 28,602.12 = 7,972.44 : x
  2. Step 2: Convert to fraction form
    19,068.60/28,602.12 = 7,972.44/x
  3. Step 3: Cross multiply
    19,068.60x = 28,602.12 × 7,972.44
  4. Step 4: Simplify right side
    19,068.60x = 228,028,685.57
  5. Step 5: Solve for x
    x = 228,028,685.57/19,068.60
  6. Step 6: Final answer
    x = 11,958.33

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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.