Home / 15,633.24-23,408.10-9,778.20

Finding the Fourth Proportional to 15,633.24, 23,408.10 and 9,778.20

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Solution

The fourth proportional to 15,633.24, 23,408.10 and 9,778.20 is: 14,641.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.24 : 23,408.10 = 9,778.20 : x
  2. Step 2: Convert to fraction form
    15,633.24/23,408.10 = 9,778.20/x
  3. Step 3: Cross multiply
    15,633.24x = 23,408.10 × 9,778.20
  4. Step 4: Simplify right side
    15,633.24x = 228,889,083.42
  5. Step 5: Solve for x
    x = 228,889,083.42/15,633.24
  6. Step 6: Final answer
    x = 14,641.18

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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.