Home / 21,636.54-32,432.52-15,698.62

Finding the Fourth Proportional to 21,636.54, 32,432.52 and 15,698.62

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Solution

The fourth proportional to 21,636.54, 32,432.52 and 15,698.62 is: 23,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,636.54 : 32,432.52 = 15,698.62 : x
  2. Step 2: Convert to fraction form
    21,636.54/32,432.52 = 15,698.62/x
  3. Step 3: Cross multiply
    21,636.54x = 32,432.52 × 15,698.62
  4. Step 4: Simplify right side
    21,636.54x = 509,145,807.12
  5. Step 5: Solve for x
    x = 509,145,807.12/21,636.54
  6. Step 6: Final answer
    x = 23,531.76

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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.