Home / 20,587.33-30,862.52-7,436.62

Finding the Fourth Proportional to 20,587.33, 30,862.52 and 7,436.62

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Solution

The fourth proportional to 20,587.33, 30,862.52 and 7,436.62 is: 11,148.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,587.33 : 30,862.52 = 7,436.62 : x
  2. Step 2: Convert to fraction form
    20,587.33/30,862.52 = 7,436.62/x
  3. Step 3: Cross multiply
    20,587.33x = 30,862.52 × 7,436.62
  4. Step 4: Simplify right side
    20,587.33x = 229,512,833.48
  5. Step 5: Solve for x
    x = 229,512,833.48/20,587.33
  6. Step 6: Final answer
    x = 11,148.26

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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.