Home / 16,005.40-24,008.10-4,318.60

Finding the Fourth Proportional to 16,005.40, 24,008.10 and 4,318.60

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Solution

The fourth proportional to 16,005.40, 24,008.10 and 4,318.60 is: 6,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,005.40 : 24,008.10 = 4,318.60 : x
  2. Step 2: Convert to fraction form
    16,005.40/24,008.10 = 4,318.60/x
  3. Step 3: Cross multiply
    16,005.40x = 24,008.10 × 4,318.60
  4. Step 4: Simplify right side
    16,005.40x = 103,681,380.66
  5. Step 5: Solve for x
    x = 103,681,380.66/16,005.40
  6. Step 6: Final answer
    x = 6,477.90

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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.