Home / 16,722.73-23,077.05-9,168.71

Finding the Fourth Proportional to 16,722.73, 23,077.05 and 9,168.71

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Solution

The fourth proportional to 16,722.73, 23,077.05 and 9,168.71 is: 12,652.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,722.73 : 23,077.05 = 9,168.71 : x
  2. Step 2: Convert to fraction form
    16,722.73/23,077.05 = 9,168.71/x
  3. Step 3: Cross multiply
    16,722.73x = 23,077.05 × 9,168.71
  4. Step 4: Simplify right side
    16,722.73x = 211,586,779.11
  5. Step 5: Solve for x
    x = 211,586,779.11/16,722.73
  6. Step 6: Final answer
    x = 12,652.65

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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.