Home / 43,575.98-65,362.61-12,411.23

Finding the Fourth Proportional to 43,575.98, 65,362.61 and 12,411.23

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Solution

The fourth proportional to 43,575.98, 65,362.61 and 12,411.23 is: 18,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,575.98 : 65,362.61 = 12,411.23 : x
  2. Step 2: Convert to fraction form
    43,575.98/65,362.61 = 12,411.23/x
  3. Step 3: Cross multiply
    43,575.98x = 65,362.61 × 12,411.23
  4. Step 4: Simplify right side
    43,575.98x = 811,229,997.24
  5. Step 5: Solve for x
    x = 811,229,997.24/43,575.98
  6. Step 6: Final answer
    x = 18,616.45

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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.