Home / 16,920.50-23,350.47-9,366.98

Finding the Fourth Proportional to 16,920.50, 23,350.47 and 9,366.98

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Solution

The fourth proportional to 16,920.50, 23,350.47 and 9,366.98 is: 12,926.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.50 : 23,350.47 = 9,366.98 : x
  2. Step 2: Convert to fraction form
    16,920.50/23,350.47 = 9,366.98/x
  3. Step 3: Cross multiply
    16,920.50x = 23,350.47 × 9,366.98
  4. Step 4: Simplify right side
    16,920.50x = 218,723,385.48
  5. Step 5: Solve for x
    x = 218,723,385.48/16,920.50
  6. Step 6: Final answer
    x = 12,926.53

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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.