Home / 29,520.64-40,737.28-16,091.60

Finding the Fourth Proportional to 29,520.64, 40,737.28 and 16,091.60

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Solution

The fourth proportional to 29,520.64, 40,737.28 and 16,091.60 is: 22,205.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,520.64 : 40,737.28 = 16,091.60 : x
  2. Step 2: Convert to fraction form
    29,520.64/40,737.28 = 16,091.60/x
  3. Step 3: Cross multiply
    29,520.64x = 40,737.28 × 16,091.60
  4. Step 4: Simplify right side
    29,520.64x = 655,528,014.85
  5. Step 5: Solve for x
    x = 655,528,014.85/29,520.64
  6. Step 6: Final answer
    x = 22,205.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.