Home / 16,919.86-23,348.90-9,366.50

Finding the Fourth Proportional to 16,919.86, 23,348.90 and 9,366.50

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Solution

The fourth proportional to 16,919.86, 23,348.90 and 9,366.50 is: 12,925.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.86 : 23,348.90 = 9,366.50 : x
  2. Step 2: Convert to fraction form
    16,919.86/23,348.90 = 9,366.50/x
  3. Step 3: Cross multiply
    16,919.86x = 23,348.90 × 9,366.50
  4. Step 4: Simplify right side
    16,919.86x = 218,697,471.85
  5. Step 5: Solve for x
    x = 218,697,471.85/16,919.86
  6. Step 6: Final answer
    x = 12,925.49

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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.