Home / 43,646.90-65,474.12-12,056.95

Finding the Fourth Proportional to 43,646.90, 65,474.12 and 12,056.95

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Solution

The fourth proportional to 43,646.90, 65,474.12 and 12,056.95 is: 18,086.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,646.90 : 65,474.12 = 12,056.95 : x
  2. Step 2: Convert to fraction form
    43,646.90/65,474.12 = 12,056.95/x
  3. Step 3: Cross multiply
    43,646.90x = 65,474.12 × 12,056.95
  4. Step 4: Simplify right side
    43,646.90x = 789,417,803.48
  5. Step 5: Solve for x
    x = 789,417,803.48/43,646.90
  6. Step 6: Final answer
    x = 18,086.46

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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.