Home / 23,318.50-32,187.90-13,886.86

Finding the Fourth Proportional to 23,318.50, 32,187.90 and 13,886.86

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Solution

The fourth proportional to 23,318.50, 32,187.90 and 13,886.86 is: 19,168.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,318.50 : 32,187.90 = 13,886.86 : x
  2. Step 2: Convert to fraction form
    23,318.50/32,187.90 = 13,886.86/x
  3. Step 3: Cross multiply
    23,318.50x = 32,187.90 × 13,886.86
  4. Step 4: Simplify right side
    23,318.50x = 446,988,860.99
  5. Step 5: Solve for x
    x = 446,988,860.99/23,318.50
  6. Step 6: Final answer
    x = 19,168.85

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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.