Home / 19,201.30-28,784.40-16,258.69

Finding the Fourth Proportional to 19,201.30, 28,784.40 and 16,258.69

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Solution

The fourth proportional to 19,201.30, 28,784.40 and 16,258.69 is: 24,373.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201.30 : 28,784.40 = 16,258.69 : x
  2. Step 2: Convert to fraction form
    19,201.30/28,784.40 = 16,258.69/x
  3. Step 3: Cross multiply
    19,201.30x = 28,784.40 × 16,258.69
  4. Step 4: Simplify right side
    19,201.30x = 467,996,636.44
  5. Step 5: Solve for x
    x = 467,996,636.44/19,201.30
  6. Step 6: Final answer
    x = 24,373.17

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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.