Home / 23,778.75-35,674.28-8,987.79

Finding the Fourth Proportional to 23,778.75, 35,674.28 and 8,987.79

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Solution

The fourth proportional to 23,778.75, 35,674.28 and 8,987.79 is: 13,484.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,778.75 : 35,674.28 = 8,987.79 : x
  2. Step 2: Convert to fraction form
    23,778.75/35,674.28 = 8,987.79/x
  3. Step 3: Cross multiply
    23,778.75x = 35,674.28 × 8,987.79
  4. Step 4: Simplify right side
    23,778.75x = 320,632,892.10
  5. Step 5: Solve for x
    x = 320,632,892.10/23,778.75
  6. Step 6: Final answer
    x = 13,484.01

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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.