Home / 19,032.24-28,540.08-9,039.88

Finding the Fourth Proportional to 19,032.24, 28,540.08 and 9,039.88

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Solution

The fourth proportional to 19,032.24, 28,540.08 and 9,039.88 is: 13,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,032.24 : 28,540.08 = 9,039.88 : x
  2. Step 2: Convert to fraction form
    19,032.24/28,540.08 = 9,039.88/x
  3. Step 3: Cross multiply
    19,032.24x = 28,540.08 × 9,039.88
  4. Step 4: Simplify right side
    19,032.24x = 257,998,898.39
  5. Step 5: Solve for x
    x = 257,998,898.39/19,032.24
  6. Step 6: Final answer
    x = 13,555.89

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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.