Home / 14,408.96-19,885.88-8,445.62

Finding the Fourth Proportional to 14,408.96, 19,885.88 and 8,445.62

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Solution

The fourth proportional to 14,408.96, 19,885.88 and 8,445.62 is: 11,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.96 : 19,885.88 = 8,445.62 : x
  2. Step 2: Convert to fraction form
    14,408.96/19,885.88 = 8,445.62/x
  3. Step 3: Cross multiply
    14,408.96x = 19,885.88 × 8,445.62
  4. Step 4: Simplify right side
    14,408.96x = 167,948,656.67
  5. Step 5: Solve for x
    x = 167,948,656.67/14,408.96
  6. Step 6: Final answer
    x = 11,655.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.