Home / 16,919.70-23,349.23-9,366.55

Finding the Fourth Proportional to 16,919.70, 23,349.23 and 9,366.55

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Solution

The fourth proportional to 16,919.70, 23,349.23 and 9,366.55 is: 12,925.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.70 : 23,349.23 = 9,366.55 : x
  2. Step 2: Convert to fraction form
    16,919.70/23,349.23 = 9,366.55/x
  3. Step 3: Cross multiply
    16,919.70x = 23,349.23 × 9,366.55
  4. Step 4: Simplify right side
    16,919.70x = 218,701,730.26
  5. Step 5: Solve for x
    x = 218,701,730.26/16,919.70
  6. Step 6: Final answer
    x = 12,925.86

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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.