Home / 43,582.19-65,374.20-12,417.44

Finding the Fourth Proportional to 43,582.19, 65,374.20 and 12,417.44

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Solution

The fourth proportional to 43,582.19, 65,374.20 and 12,417.44 is: 18,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,582.19 : 65,374.20 = 12,417.44 : x
  2. Step 2: Convert to fraction form
    43,582.19/65,374.20 = 12,417.44/x
  3. Step 3: Cross multiply
    43,582.19x = 65,374.20 × 12,417.44
  4. Step 4: Simplify right side
    43,582.19x = 811,780,206.05
  5. Step 5: Solve for x
    x = 811,780,206.05/43,582.19
  6. Step 6: Final answer
    x = 18,626.42

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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.