Home / 15,911.56-23,823.60-12,004.12

Finding the Fourth Proportional to 15,911.56, 23,823.60 and 12,004.12

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Solution

The fourth proportional to 15,911.56, 23,823.60 and 12,004.12 is: 17,973.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,911.56 : 23,823.60 = 12,004.12 : x
  2. Step 2: Convert to fraction form
    15,911.56/23,823.60 = 12,004.12/x
  3. Step 3: Cross multiply
    15,911.56x = 23,823.60 × 12,004.12
  4. Step 4: Simplify right side
    15,911.56x = 285,981,353.23
  5. Step 5: Solve for x
    x = 285,981,353.23/15,911.56
  6. Step 6: Final answer
    x = 17,973.18

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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.