Home / 15,771.18-23,656.25-6,408.43

Finding the Fourth Proportional to 15,771.18, 23,656.25 and 6,408.43

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Solution

The fourth proportional to 15,771.18, 23,656.25 and 6,408.43 is: 9,612.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771.18 : 23,656.25 = 6,408.43 : x
  2. Step 2: Convert to fraction form
    15,771.18/23,656.25 = 6,408.43/x
  3. Step 3: Cross multiply
    15,771.18x = 23,656.25 × 6,408.43
  4. Step 4: Simplify right side
    15,771.18x = 151,599,422.19
  5. Step 5: Solve for x
    x = 151,599,422.19/15,771.18
  6. Step 6: Final answer
    x = 9,612.43

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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.