Home / 26,400.30-39,600.45-16,558.80

Finding the Fourth Proportional to 26,400.30, 39,600.45 and 16,558.80

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Solution

The fourth proportional to 26,400.30, 39,600.45 and 16,558.80 is: 24,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,400.30 : 39,600.45 = 16,558.80 : x
  2. Step 2: Convert to fraction form
    26,400.30/39,600.45 = 16,558.80/x
  3. Step 3: Cross multiply
    26,400.30x = 39,600.45 × 16,558.80
  4. Step 4: Simplify right side
    26,400.30x = 655,735,931.46
  5. Step 5: Solve for x
    x = 655,735,931.46/26,400.30
  6. Step 6: Final answer
    x = 24,838.20

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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.