Home / 15,612.56-23,416.44-5,749.47

Finding the Fourth Proportional to 15,612.56, 23,416.44 and 5,749.47

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Solution

The fourth proportional to 15,612.56, 23,416.44 and 5,749.47 is: 8,623.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.56 : 23,416.44 = 5,749.47 : x
  2. Step 2: Convert to fraction form
    15,612.56/23,416.44 = 5,749.47/x
  3. Step 3: Cross multiply
    15,612.56x = 23,416.44 × 5,749.47
  4. Step 4: Simplify right side
    15,612.56x = 134,632,119.29
  5. Step 5: Solve for x
    x = 134,632,119.29/15,612.56
  6. Step 6: Final answer
    x = 8,623.32

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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.