Home / 19,032.52-28,581.45-11,680.15

Finding the Fourth Proportional to 19,032.52, 28,581.45 and 11,680.15

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Solution

The fourth proportional to 19,032.52, 28,581.45 and 11,680.15 is: 17,540.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,032.52 : 28,581.45 = 11,680.15 : x
  2. Step 2: Convert to fraction form
    19,032.52/28,581.45 = 11,680.15/x
  3. Step 3: Cross multiply
    19,032.52x = 28,581.45 × 11,680.15
  4. Step 4: Simplify right side
    19,032.52x = 333,835,623.22
  5. Step 5: Solve for x
    x = 333,835,623.22/19,032.52
  6. Step 6: Final answer
    x = 17,540.27

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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.