Home / 23,323.60-32,178.90-13,890.88

Finding the Fourth Proportional to 23,323.60, 32,178.90 and 13,890.88

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Solution

The fourth proportional to 23,323.60, 32,178.90 and 13,890.88 is: 19,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,323.60 : 32,178.90 = 13,890.88 : x
  2. Step 2: Convert to fraction form
    23,323.60/32,178.90 = 13,890.88/x
  3. Step 3: Cross multiply
    23,323.60x = 32,178.90 × 13,890.88
  4. Step 4: Simplify right side
    23,323.60x = 446,993,238.43
  5. Step 5: Solve for x
    x = 446,993,238.43/23,323.60
  6. Step 6: Final answer
    x = 19,164.85

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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.