Home / 43,576.98-65,364.10-12,412.23

Finding the Fourth Proportional to 43,576.98, 65,364.10 and 12,412.23

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Solution

The fourth proportional to 43,576.98, 65,364.10 and 12,412.23 is: 18,617.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,576.98 : 65,364.10 = 12,412.23 : x
  2. Step 2: Convert to fraction form
    43,576.98/65,364.10 = 12,412.23/x
  3. Step 3: Cross multiply
    43,576.98x = 65,364.10 × 12,412.23
  4. Step 4: Simplify right side
    43,576.98x = 811,314,242.94
  5. Step 5: Solve for x
    x = 811,314,242.94/43,576.98
  6. Step 6: Final answer
    x = 18,617.95

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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.