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Finding the Fourth Proportional to 15,993.59, 23,987.55 and 9,412.07

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Solution

The fourth proportional to 15,993.59, 23,987.55 and 9,412.07 is: 14,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.59 : 23,987.55 = 9,412.07 : x
  2. Step 2: Convert to fraction form
    15,993.59/23,987.55 = 9,412.07/x
  3. Step 3: Cross multiply
    15,993.59x = 23,987.55 × 9,412.07
  4. Step 4: Simplify right side
    15,993.59x = 225,772,499.73
  5. Step 5: Solve for x
    x = 225,772,499.73/15,993.59
  6. Step 6: Final answer
    x = 14,116.44

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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.